23202329957957 has 2 divisors, whose sum is σ = 23202329957958. Its totient is φ = 23202329957956.

The previous prime is 23202329957923. The next prime is 23202329958001. The reversal of 23202329957957 is 75975992320232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16081976734756 + 7120353223201 = 4010234^2 + 2668399^2 .

It is a cyclic number.

It is not a de Polignac number, because 23202329957957 - 2⁴⁰ = 22102818330181 is a prime.

It is a super-2 number, since 2×23202329957957² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23202329957893 and 23202329957902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23202329957557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11601164978978 + 11601164978979.

It is an arithmetic number, because the mean of its divisors is an integer number (11601164978979).

Almost surely, 2^{23202329957957} is an apocalyptic number.

It is an amenable number.

23202329957957 is a deficient number, since it is larger than the sum of its proper divisors (1).

23202329957957 is an equidigital number, since it uses as much as digits as its factorization.

23202329957957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128595600, while the sum is 65.

The spelling of 23202329957957 in words is "twenty-three trillion, two hundred two billion, three hundred twenty-nine million, nine hundred fifty-seven thousand, nine hundred fifty-seven".