23231222239 has 2 divisors, whose sum is σ = 23231222240. Its totient is φ = 23231222238.

The previous prime is 23231222221. The next prime is 23231222251. The reversal of 23231222239 is 93222213232.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23231222239 - 2¹¹ = 23231220191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23231222239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23231222639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615611119 + 11615611120.

It is an arithmetic number, because the mean of its divisors is an integer number (11615611120).

Almost surely, 2^23231222239 is an apocalyptic number.

23231222239 is a deficient number, since it is larger than the sum of its proper divisors (1).

23231222239 is an equidigital number, since it uses as much as digits as its factorization.

23231222239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 31.

The spelling of 23231222239 in words is "twenty-three billion, two hundred thirty-one million, two hundred twenty-two thousand, two hundred thirty-nine".