123653522054140 has 48 divisors (see below), whose sum is σ = 296097031101312. Its totient is φ = 42970997707776.

The previous prime is 123653522054129. The next prime is 123653522054143. The reversal of 123653522054140 is 41450225356321.

It is a super-2 number, since 2×123653522054140² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123653522054143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13987950564 + ... + 13987959403.

It is an arithmetic number, because the mean of its divisors is an integer number (6168688147944).

Almost surely, 2^{123653522054140} is an apocalyptic number.

123653522054140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123653522054140 is an abundant number, since it is smaller than the sum of its proper divisors (172443509047172).

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

123653522054140 is a wasteful number, since it uses less digits than its factorization.

123653522054140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27975910006 (or 27975910004 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 123653522054140 in words is "one hundred twenty-three trillion, six hundred fifty-three billion, five hundred twenty-two million, fifty-four thousand, one hundred forty".