23032003321 has 4 divisors (see below), whose sum is σ = 23041418112. Its totient is φ = 23022588532.

The previous prime is 23032003307. The next prime is 23032003343. The reversal of 23032003321 is 12330023032.

It is a happy number.

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 23032003321 - 2¹⁵ = 23031970553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23032003391) 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, 4703725 + ... + 4708618.

It is an arithmetic number, because the mean of its divisors is an integer number (5760354528).

Almost surely, 2^23032003321 is an apocalyptic number.

It is an amenable number.

23032003321 is a deficient number, since it is larger than the sum of its proper divisors (9414791).

23032003321 is an equidigital number, since it uses as much as digits as its factorization.

23032003321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9414790.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 23032003321 its reverse (12330023032), we get a palindrome (35362026353).

The spelling of 23032003321 in words is "twenty-three billion, thirty-two million, three thousand, three hundred twenty-one".