23321121011 has 8 divisors (see below), whose sum is σ = 23839488960. Its totient is φ = 22807761768.

The previous prime is 23321121001. The next prime is 23321121013. The reversal of 23321121011 is 11012112332.

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 23321121011 - 2²² = 23316926707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23321121013) 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, 1242761 + ... + 1261386.

It is an arithmetic number, because the mean of its divisors is an integer number (2979936120).

Almost surely, 2^23321121011 is an apocalyptic number.

23321121011 is a deficient number, since it is larger than the sum of its proper divisors (518367949).

23321121011 is a wasteful number, since it uses less digits than its factorization.

23321121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504353.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 23321121011 its reverse (11012112332), we get a palindrome (34333233343).

The spelling of 23321121011 in words is "twenty-three billion, three hundred twenty-one million, one hundred twenty-one thousand, eleven".