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123124311412431 = 377182578344341
BaseRepresentation
bin11011111111101100011100…
…110110000100111011001111
3121010221120100221220100212220
4123333230130312010323033
5112114232042210144211
61113510310001230423
734635303134051220
oct3377543466047317
9533846327810786
10123124311412431
113625a7aaa47a7a
1211986396932413
13539175a42ab44
142259369b27247
15e37b2c5da806
hex6ffb1cd84ecf

123124311412431 has 16 divisors (see below), whose sum is σ = 190260505363968. Its totient is φ = 69365809245600.

The previous prime is 123124311412423. The next prime is 123124311412447. The reversal of 123124311412431 is 134214113421321.

It is not a de Polignac number, because 123124311412431 - 23 = 123124311412423 is a prime.

It is a super-2 number, since 2×1231243114124312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123124311412392 and 123124311412401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123124311412411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41289170680 + ... + 41289173661.

It is an arithmetic number, because the mean of its divisors is an integer number (11891281585248).

Almost surely, 2123124311412431 is an apocalyptic number.

123124311412431 is a deficient number, since it is larger than the sum of its proper divisors (67136193951537).

123124311412431 is an equidigital number, since it uses as much as digits as its factorization.

123124311412431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82578344422.

The product of its digits is 13824, while the sum is 33.

Adding to 123124311412431 its reverse (134214113421321), we get a palindrome (257338424833752).

The spelling of 123124311412431 in words is "one hundred twenty-three trillion, one hundred twenty-four billion, three hundred eleven million, four hundred twelve thousand, four hundred thirty-one".

Divisors: 1 3 7 21 71 213 497 1491 82578344341 247735033023 578048410387 1734145231161 5863062448211 17589187344633 41041437137477 123124311412431