23242765021 has 8 divisors (see below), whose sum is σ = 26811414720. Its totient is φ = 19736179008.

The previous prime is 23242765001. The next prime is 23242765027. The reversal of 23242765021 is 12056724232.

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

It is not a de Polignac number, because 23242765021 - 2⁹ = 23242764509 is a prime.

It is a super-2 number, since 2×23242765021² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23242765027) 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, 15515116 + ... + 15516613.

It is an arithmetic number, because the mean of its divisors is an integer number (3351426840).

Almost surely, 2^23242765021 is an apocalyptic number.

It is an amenable number.

23242765021 is a deficient number, since it is larger than the sum of its proper divisors (3568649699).

23242765021 is a wasteful number, since it uses less digits than its factorization.

23242765021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31031843.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 23242765021 in words is "twenty-three billion, two hundred forty-two million, seven hundred sixty-five thousand, twenty-one".