23221153239 has 8 divisors (see below), whose sum is σ = 31002226032. Its totient is φ = 15460424640.

The previous prime is 23221153237. The next prime is 23221153279. The reversal of 23221153239 is 93235112232.

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

It is not a de Polignac number, because 23221153239 - 2¹ = 23221153237 is a prime.

It is a super-2 number, since 2×23221153239² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23221153237) 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, 5083384 + ... + 5087949.

It is an arithmetic number, because the mean of its divisors is an integer number (3875278254).

Almost surely, 2^23221153239 is an apocalyptic number.

23221153239 is a deficient number, since it is larger than the sum of its proper divisors (7781072793).

23221153239 is a wasteful number, since it uses less digits than its factorization.

23221153239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10172097.

The product of its digits is 19440, while the sum is 33.

The spelling of 23221153239 in words is "twenty-three billion, two hundred twenty-one million, one hundred fifty-three thousand, two hundred thirty-nine".