12232320838957 has 2 divisors, whose sum is σ = 12232320838958. Its totient is φ = 12232320838956.

The previous prime is 12232320838901. The next prime is 12232320838963. The reversal of 12232320838957 is 75983802323221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8535664755396 + 3696656083561 = 2921586^2 + 1922669^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12232320838957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12232320838898 and 12232320838907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12232320808957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6116160419478 + 6116160419479.

It is an arithmetic number, because the mean of its divisors is an integer number (6116160419479).

Almost surely, 2^{12232320838957} is an apocalyptic number.

It is an amenable number.

12232320838957 is a deficient number, since it is larger than the sum of its proper divisors (1).

12232320838957 is an equidigital number, since it uses as much as digits as its factorization.

12232320838957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 12232320838957 in words is "twelve trillion, two hundred thirty-two billion, three hundred twenty million, eight hundred thirty-eight thousand, nine hundred fifty-seven".