23505522513431 has 8 divisors (see below), whose sum is σ = 26879864487840. Its totient is φ = 20135283085728.

The previous prime is 23505522513373. The next prime is 23505522513433. The reversal of 23505522513431 is 13431522550532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23505522513431 - 2¹⁸ = 23505522251287 is a prime.

It is a super-2 number, since 2×23505522513431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23505522513433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1025624396 + ... + 1025647313.

It is an arithmetic number, because the mean of its divisors is an integer number (3359983060980).

Almost surely, 2^{23505522513431} is an apocalyptic number.

23505522513431 is a deficient number, since it is larger than the sum of its proper divisors (3374341974409).

23505522513431 is a wasteful number, since it uses less digits than its factorization.

23505522513431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051273353.

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 23505522513431 in words is "twenty-three trillion, five hundred five billion, five hundred twenty-two million, five hundred thirteen thousand, four hundred thirty-one".