23221202231 has 8 divisors (see below), whose sum is σ = 23343861024. Its totient is φ = 23098592160.

The previous prime is 23221202159. The next prime is 23221202311. The reversal of 23221202231 is 13220212232.

It is a happy number.

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 23221202231 - 2¹⁴ = 23221185847 is a prime.

It is a super-2 number, since 2×23221202231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23221202131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1327166 + ... + 1344548.

It is an arithmetic number, because the mean of its divisors is an integer number (2917982628).

Almost surely, 2^23221202231 is an apocalyptic number.

23221202231 is a deficient number, since it is larger than the sum of its proper divisors (122658793).

23221202231 is a wasteful number, since it uses less digits than its factorization.

23221202231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24361.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23221202231 its reverse (13220212232), we get a palindrome (36441414463).

The spelling of 23221202231 in words is "twenty-three billion, two hundred twenty-one million, two hundred two thousand, two hundred thirty-one".