323120029997 has 2 divisors, whose sum is σ = 323120029998. Its totient is φ = 323120029996.

The previous prime is 323120029961. The next prime is 323120030017. The reversal of 323120029997 is 799920021323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164599792681 + 158520237316 = 405709^2 + 398146^2 .

It is a cyclic number.

It is not a de Polignac number, because 323120029997 - 2⁶ = 323120029933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323120029937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161560014998 + 161560014999.

It is an arithmetic number, because the mean of its divisors is an integer number (161560014999).

Almost surely, 2^323120029997 is an apocalyptic number.

It is an amenable number.

323120029997 is a deficient number, since it is larger than the sum of its proper divisors (1).

323120029997 is an equidigital number, since it uses as much as digits as its factorization.

323120029997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 47.

The spelling of 323120029997 in words is "three hundred twenty-three billion, one hundred twenty million, twenty-nine thousand, nine hundred ninety-seven".