323402123137 has 2 divisors, whose sum is σ = 323402123138. Its totient is φ = 323402123136.

The previous prime is 323402123131. The next prime is 323402123147. The reversal of 323402123137 is 731321204323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200510510656 + 122891612481 = 447784^2 + 350559^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323402123137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 323402123099 and 323402123108.

It is not a weakly prime, because it can be changed into another prime (323402123131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161701061568 + 161701061569.

It is an arithmetic number, because the mean of its divisors is an integer number (161701061569).

Almost surely, 2^323402123137 is an apocalyptic number.

It is an amenable number.

323402123137 is a deficient number, since it is larger than the sum of its proper divisors (1).

323402123137 is an equidigital number, since it uses as much as digits as its factorization.

323402123137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 31.

The spelling of 323402123137 in words is "three hundred twenty-three billion, four hundred two million, one hundred twenty-three thousand, one hundred thirty-seven".