23231310128977 has 2 divisors, whose sum is σ = 23231310128978. Its totient is φ = 23231310128976.

The previous prime is 23231310128837. The next prime is 23231310128987. The reversal of 23231310128977 is 77982101313232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22663350444816 + 567959684161 = 4760604^2 + 753631^2 .

It is a cyclic number.

It is not a de Polignac number, because 23231310128977 - 2¹⁵ = 23231310096209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23231310128977.

It is not a weakly prime, because it can be changed into another prime (23231310128987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615655064488 + 11615655064489.

It is an arithmetic number, because the mean of its divisors is an integer number (11615655064489).

Almost surely, 2^{23231310128977} is an apocalyptic number.

It is an amenable number.

23231310128977 is a deficient number, since it is larger than the sum of its proper divisors (1).

23231310128977 is an equidigital number, since it uses as much as digits as its factorization.

23231310128977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 23231310128977 in words is "twenty-three trillion, two hundred thirty-one billion, three hundred ten million, one hundred twenty-eight thousand, nine hundred seventy-seven".