123652030351640 has 64 divisors (see below), whose sum is σ = 331786814376960. Its totient is φ = 40551721752960.

The previous prime is 123652030351637. The next prime is 123652030351687. The reversal of 123652030351640 is 46153030256321.

It is a super-2 number, since 2×123652030351640² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9600306476 + ... + 9600319355.

It is an arithmetic number, because the mean of its divisors is an integer number (5184168974640).

Almost surely, 2^{123652030351640} is an apocalyptic number.

123652030351640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123652030351640 is an abundant number, since it is smaller than the sum of its proper divisors (208134784025320).

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

123652030351640 is a wasteful number, since it uses less digits than its factorization.

123652030351640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19200625872 (or 19200625868 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 123652030351640 in words is "one hundred twenty-three trillion, six hundred fifty-two billion, thirty million, three hundred fifty-one thousand, six hundred forty".