23534963405040 has 80 divisors (see below), whose sum is σ = 76130490336768. Its totient is φ = 6003121099008.

The previous prime is 23534963405039. The next prime is 23534963405077. The reversal of 23534963405040 is 4050436943532.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2131784644 + ... + 2131795683.

Almost surely, 2^{23534963405040} is an apocalyptic number.

23534963405040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23534963405040 is an abundant number, since it is smaller than the sum of its proper divisors (52595526931728).

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

23534963405040 is a wasteful number, since it uses less digits than its factorization.

23534963405040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4263580366 (or 4263580360 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 48.

The spelling of 23534963405040 in words is "twenty-three trillion, five hundred thirty-four billion, nine hundred sixty-three million, four hundred five thousand, forty".