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623313141 = 311163115879
BaseRepresentation
bin100101001001110…
…000000011110101
31121102212120212220
4211021300003311
52234032010031
6141503432553
721306034323
oct4511600365
91542776786
10623313141
1129a931430
121548b5759
139c19c059
145cad4d13
1539ac5596
hex252700f5

623313141 has 16 divisors (see below), whose sum is σ = 912207360. Its totient is φ = 375444720.

The previous prime is 623313101. The next prime is 623313149. The reversal of 623313141 is 141313326.

It is a happy number.

It is not a de Polignac number, because 623313141 - 215 = 623280373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623313149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52561 + ... + 63318.

It is an arithmetic number, because the mean of its divisors is an integer number (57012960).

Almost surely, 2623313141 is an apocalyptic number.

It is an amenable number.

623313141 is a deficient number, since it is larger than the sum of its proper divisors (288894219).

623313141 is a wasteful number, since it uses less digits than its factorization.

623313141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116056.

The product of its digits is 1296, while the sum is 24.

The square root of 623313141 is about 24966.2400252821. The cubic root of 623313141 is about 854.2180834005.

Adding to 623313141 its reverse (141313326), we get a palindrome (764626467).

The spelling of 623313141 in words is "six hundred twenty-three million, three hundred thirteen thousand, one hundred forty-one".

Divisors: 1 3 11 33 163 489 1793 5379 115879 347637 1274669 3824007 18888277 56664831 207771047 623313141