23043254523621 has 16 divisors (see below), whose sum is σ = 32531973763968. Its totient is φ = 14458370278400.

The previous prime is 23043254523547. The next prime is 23043254523677. The reversal of 23043254523621 is 12632545234032.

It is a cyclic number.

It is not a de Polignac number, because 23043254523621 - 2⁷ = 23043254523493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23043254593621) 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, 3131101 + ... + 7475981.

It is an arithmetic number, because the mean of its divisors is an integer number (2033248360248).

Almost surely, 2^{23043254523621} is an apocalyptic number.

It is an amenable number.

23043254523621 is a deficient number, since it is larger than the sum of its proper divisors (9488719240347).

23043254523621 is a wasteful number, since it uses less digits than its factorization.

23043254523621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4448892.

The product of its (nonzero) digits is 1036800, while the sum is 42.

Adding to 23043254523621 its reverse (12632545234032), we get a palindrome (35675799757653).

The spelling of 23043254523621 in words is "twenty-three trillion, forty-three billion, two hundred fifty-four million, five hundred twenty-three thousand, six hundred twenty-one".