23189983402657 has 2 divisors, whose sum is σ = 23189983402658. Its totient is φ = 23189983402656.

The previous prime is 23189983402571. The next prime is 23189983402717. The reversal of 23189983402657 is 75620438998132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23117258257681 + 72725144976 = 4808041^2 + 269676^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23189983402657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23189983402592 and 23189983402601.

It is not a weakly prime, because it can be changed into another prime (23189983402057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11594991701328 + 11594991701329.

It is an arithmetic number, because the mean of its divisors is an integer number (11594991701329).

It is a 1-persistent number, because it is pandigital, but 2⋅23189983402657 = 46379966805314 is not.

Almost surely, 2^{23189983402657} is an apocalyptic number.

It is an amenable number.

23189983402657 is a deficient number, since it is larger than the sum of its proper divisors (1).

23189983402657 is an equidigital number, since it uses as much as digits as its factorization.

23189983402657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 156764160, while the sum is 67.

The spelling of 23189983402657 in words is "twenty-three trillion, one hundred eighty-nine billion, nine hundred eighty-three million, four hundred two thousand, six hundred fifty-seven".