23730582721 has 4 divisors (see below), whose sum is σ = 23960976832. Its totient is φ = 23500188612.

The previous prime is 23730582719. The next prime is 23730582781. The reversal of 23730582721 is 12728503732.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23730582721 - 2¹ = 23730582719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23730582781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115196901 + ... + 115197106.

It is an arithmetic number, because the mean of its divisors is an integer number (5990244208).

Almost surely, 2^23730582721 is an apocalyptic number.

It is an amenable number.

23730582721 is a deficient number, since it is larger than the sum of its proper divisors (230394111).

23730582721 is a wasteful number, since it uses less digits than its factorization.

23730582721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230394110.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 23730582721 in words is "twenty-three billion, seven hundred thirty million, five hundred eighty-two thousand, seven hundred twenty-one".