32023073021 has 4 divisors (see below), whose sum is σ = 32074807200. Its totient is φ = 31971338844.

The previous prime is 32023072979. The next prime is 32023073023. The reversal of 32023073021 is 12037032023.

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-32023073021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32023073023) 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, 25866161 + ... + 25867398.

It is an arithmetic number, because the mean of its divisors is an integer number (8018701800).

Almost surely, 2^32023073021 is an apocalyptic number.

It is an amenable number.

32023073021 is a deficient number, since it is larger than the sum of its proper divisors (51734179).

32023073021 is an equidigital number, since it uses as much as digits as its factorization.

32023073021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51734178.

The product of its (nonzero) digits is 1512, while the sum is 23.

The spelling of 32023073021 in words is "thirty-two billion, twenty-three million, seventy-three thousand, twenty-one".