312132311269523 has 2 divisors, whose sum is σ = 312132311269524. Its totient is φ = 312132311269522.

The previous prime is 312132311269507. The next prime is 312132311269547. The reversal of 312132311269523 is 325962113231213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312132311269523 - 2⁴ = 312132311269507 is a prime.

It is not a weakly prime, because it can be changed into another prime (312132311269553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156066155634761 + 156066155634762.

It is an arithmetic number, because the mean of its divisors is an integer number (156066155634762).

Almost surely, 2^{312132311269523} is an apocalyptic number.

312132311269523 is a deficient number, since it is larger than the sum of its proper divisors (1).

312132311269523 is an equidigital number, since it uses as much as digits as its factorization.

312132311269523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 44.

The spelling of 312132311269523 in words is "three hundred twelve trillion, one hundred thirty-two billion, three hundred eleven million, two hundred sixty-nine thousand, five hundred twenty-three".