123537413536 has 24 divisors (see below), whose sum is σ = 251059906944. Its totient is φ = 59776167360.

The previous prime is 123537413513. The next prime is 123537413579. The reversal of 123537413536 is 635314735321.

It is a happy number.

It is a super-2 number, since 2×123537413536² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123537413492 and 123537413501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62265850 + ... + 62267833.

It is an arithmetic number, because the mean of its divisors is an integer number (10460829456).

Almost surely, 2^123537413536 is an apocalyptic number.

123537413536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

123537413536 is an abundant number, since it is smaller than the sum of its proper divisors (127522493408).

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

123537413536 is a wasteful number, since it uses less digits than its factorization.

123537413536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124533724 (or 124533716 counting only the distinct ones).

The product of its digits is 680400, while the sum is 43.

The spelling of 123537413536 in words is "one hundred twenty-three billion, five hundred thirty-seven million, four hundred thirteen thousand, five hundred thirty-six".