23331220999 has 8 divisors (see below), whose sum is σ = 24378583680. Its totient is φ = 22286605176.

The previous prime is 23331220987. The next prime is 23331221003. The reversal of 23331220999 is 99902213332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23331220999 - 2⁵ = 23331220967 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 (23331220909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669337 + ... + 703330.

It is an arithmetic number, because the mean of its divisors is an integer number (3047322960).

Almost surely, 2^23331220999 is an apocalyptic number.

23331220999 is a deficient number, since it is larger than the sum of its proper divisors (1047362681).

23331220999 is a wasteful number, since it uses less digits than its factorization.

23331220999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373429.

The product of its (nonzero) digits is 157464, while the sum is 43.

The spelling of 23331220999 in words is "twenty-three billion, three hundred thirty-one million, two hundred twenty thousand, nine hundred ninety-nine".