23310011021 has 8 divisors (see below), whose sum is σ = 25493160864. Its totient is φ = 21137537520.

The previous prime is 23310011017. The next prime is 23310011027. The reversal of 23310011021 is 12011001332.

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

It is not a de Polignac number, because 23310011021 - 2² = 23310011017 is a prime.

It is a super-2 number, since 2×23310011021² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23310010987 and 23310011005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23310011027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2664515 + ... + 2673248.

It is an arithmetic number, because the mean of its divisors is an integer number (3186645108).

Almost surely, 2^23310011021 is an apocalyptic number.

It is an amenable number.

23310011021 is a deficient number, since it is larger than the sum of its proper divisors (2183149843).

23310011021 is a wasteful number, since it uses less digits than its factorization.

23310011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5338171.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 23310011021 its reverse (12011001332), we get a palindrome (35321012353).

The spelling of 23310011021 in words is "twenty-three billion, three hundred ten million, eleven thousand, twenty-one".