23231130965687 has 2 divisors, whose sum is σ = 23231130965688. Its totient is φ = 23231130965686.

The previous prime is 23231130965629. The next prime is 23231130965743. The reversal of 23231130965687 is 78656903113232.

It is an a-pointer prime, because the next prime (23231130965743) can be obtained adding 23231130965687 to its sum of digits (56).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23231130965687 - 2⁴⁰ = 22131619337911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23231130965587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615565482843 + 11615565482844.

It is an arithmetic number, because the mean of its divisors is an integer number (11615565482844).

Almost surely, 2^{23231130965687} is an apocalyptic number.

23231130965687 is a deficient number, since it is larger than the sum of its proper divisors (1).

23231130965687 is an equidigital number, since it uses as much as digits as its factorization.

23231130965687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9797760, while the sum is 56.

The spelling of 23231130965687 in words is "twenty-three trillion, two hundred thirty-one billion, one hundred thirty million, nine hundred sixty-five thousand, six hundred eighty-seven".