23505113254140 has 180 divisors, whose sum is σ = 83177036410104. Its totient is φ = 5372597216448.

The previous prime is 23505113254123. The next prime is 23505113254151. The reversal of 23505113254140 is 4145231150532.

23505113254140 is a `hidden beast` number, since 2 + 3 + 50 + 51 + 13 + 2 + 541 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 23505113254095 and 23505113254104.

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 59 ways as a sum of consecutive naturals, for example, 26761482 + ... + 27625841.

Almost surely, 2^{23505113254140} is an apocalyptic number.

23505113254140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23505113254140 is an abundant number, since it is smaller than the sum of its proper divisors (59671923155964).

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

23505113254140 is a wasteful number, since it uses less digits than its factorization.

23505113254140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54387366 (or 54387340 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 23505113254140 in words is "twenty-three trillion, five hundred five billion, one hundred thirteen million, two hundred fifty-four thousand, one hundred forty".