23454520512756 has 36 divisors (see below), whose sum is σ = 55015245632256. Its totient is φ = 7777240513520.

The previous prime is 23454520512743. The next prime is 23454520512763. The reversal of 23454520512756 is 65721502545432.

It is a happy number.

It is a super-2 number, since 2×23454520512756² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23454520512699 and 23454520512708.

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 11 ways as a sum of consecutive naturals, for example, 26350740 + ... + 27226283.

Almost surely, 2^{23454520512756} is an apocalyptic number.

It is an amenable number.

23454520512756 is an abundant number, since it is smaller than the sum of its proper divisors (31560725119500).

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

23454520512756 is a wasteful number, since it uses less digits than its factorization.

23454520512756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53577412 (or 53577219 counting only the distinct ones).

The product of its (nonzero) digits is 10080000, while the sum is 51.

The spelling of 23454520512756 in words is "twenty-three trillion, four hundred fifty-four billion, five hundred twenty million, five hundred twelve thousand, seven hundred fifty-six".