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123313141 = 722817723
BaseRepresentation
bin1110101100110…
…01101111110101
322121000221211101
413112121233311
5223032010031
620123010101
73025100350
oct726315765
9277027741
10123313141
1163674a96
1235369931
131c716c73
141253d297
15ac5c361
hex7599bf5

123313141 has 8 divisors (see below), whose sum is σ = 141009344. Its totient is φ = 105636960.

The previous prime is 123313129. The next prime is 123313159. The reversal of 123313141 is 141313321.

Adding to 123313141 its reverse (141313321), we get a palindrome (264626462).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123313141 - 25 = 123313109 is a prime.

It is a super-2 number, since 2×1233131412 = 30412261486571762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123313181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12106 + ... + 19828.

It is an arithmetic number, because the mean of its divisors is an integer number (17626168).

Almost surely, 2123313141 is an apocalyptic number.

It is an amenable number.

123313141 is a deficient number, since it is larger than the sum of its proper divisors (17696203).

123313141 is an equidigital number, since it uses as much as digits as its factorization.

123313141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10011.

The product of its digits is 216, while the sum is 19.

The square root of 123313141 is about 11104.6450190900. The cubic root of 123313141 is about 497.7406608170.

The spelling of 123313141 in words is "one hundred twenty-three million, three hundred thirteen thousand, one hundred forty-one".