23002321309 has 24 divisors (see below), whose sum is σ = 25535553120. Its totient is φ = 20703540000.

The previous prime is 23002321273. The next prime is 23002321319. The reversal of 23002321309 is 90312320032.

It is not a de Polignac number, because 23002321309 - 2¹⁵ = 23002288541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23002321319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8066734 + ... + 8069584.

It is an arithmetic number, because the mean of its divisors is an integer number (1063981380).

Almost surely, 2^23002321309 is an apocalyptic number.

It is an amenable number.

23002321309 is a deficient number, since it is larger than the sum of its proper divisors (2533231811).

23002321309 is a wasteful number, since it uses less digits than its factorization.

23002321309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513 (or 3502 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

The spelling of 23002321309 in words is "twenty-three billion, two million, three hundred twenty-one thousand, three hundred nine".