123115125364 has 24 divisors (see below), whose sum is σ = 268614819648. Its totient is φ = 47966931840.

The previous prime is 123115125359. The next prime is 123115125407. The reversal of 123115125364 is 463521511321.

123115125364 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×123115125364² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199861909 + ... + 199862524.

It is an arithmetic number, because the mean of its divisors is an integer number (11192284152).

Almost surely, 2^123115125364 is an apocalyptic number.

123115125364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123115125364 is an abundant number, since it is smaller than the sum of its proper divisors (145499694284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123115125364 is a wasteful number, since it uses less digits than its factorization.

123115125364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399724455 (or 399724453 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

Adding to 123115125364 its reverse (463521511321), we get a palindrome (586636636685).

The spelling of 123115125364 in words is "one hundred twenty-three billion, one hundred fifteen million, one hundred twenty-five thousand, three hundred sixty-four".