123064865379 has 8 divisors (see below), whose sum is σ = 182318319120. Its totient is φ = 82043243568.

The previous prime is 123064865351. The next prime is 123064865419. The reversal of 123064865379 is 973568460321.

123064865379 is a `hidden beast` number, since 1 + 23 + 0 + 6 + 4 + 86 + 537 + 9 = 666.

It is not a de Polignac number, because 123064865379 - 2²⁸ = 122796429923 is a prime.

It is a super-2 number, since 2×123064865379² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123064863379) 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, 2278978962 + ... + 2278979015.

It is an arithmetic number, because the mean of its divisors is an integer number (22789789890).

It is a 2-persistent number, because it is pandigital, and so is 2⋅123064865379 = 246129730758, but 3⋅123064865379 = 369194596137 is not.

Almost surely, 2^123064865379 is an apocalyptic number.

123064865379 is a deficient number, since it is larger than the sum of its proper divisors (59253453741).

123064865379 is an equidigital number, since it uses as much as digits as its factorization.

123064865379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4557957986 (or 4557957980 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 123064865379 in words is "one hundred twenty-three billion, sixty-four million, eight hundred sixty-five thousand, three hundred seventy-nine".