123312232723 has 2 divisors, whose sum is σ = 123312232724. Its totient is φ = 123312232722.

The previous prime is 123312232661. The next prime is 123312232777. The reversal of 123312232723 is 327232213321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123312232723 is a prime.

It is not a weakly prime, because it can be changed into another prime (123312232123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61656116361 + 61656116362.

It is an arithmetic number, because the mean of its divisors is an integer number (61656116362).

Almost surely, 2^123312232723 is an apocalyptic number.

123312232723 is a deficient number, since it is larger than the sum of its proper divisors (1).

123312232723 is an equidigital number, since it uses as much as digits as its factorization.

123312232723 is an evil number, because the sum of its binary digits is even.

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

The spelling of 123312232723 in words is "one hundred twenty-three billion, three hundred twelve million, two hundred thirty-two thousand, seven hundred twenty-three".