23020582421 has 4 divisors (see below), whose sum is σ = 23161813152. Its totient is φ = 22879351692.

The previous prime is 23020582373. The next prime is 23020582427. The reversal of 23020582421 is 12428502032.

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 a de Polignac number, because none of the positive numbers 2^k-23020582421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23020582427) 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, 70615121 + ... + 70615446.

It is an arithmetic number, because the mean of its divisors is an integer number (5790453288).

Almost surely, 2^23020582421 is an apocalyptic number.

It is an amenable number.

23020582421 is a deficient number, since it is larger than the sum of its proper divisors (141230731).

23020582421 is a wasteful number, since it uses less digits than its factorization.

23020582421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141230730.

The product of its (nonzero) digits is 7680, while the sum is 29.

The spelling of 23020582421 in words is "twenty-three billion, twenty million, five hundred eighty-two thousand, four hundred twenty-one".