1230311312723 has 2 divisors, whose sum is σ = 1230311312724. Its totient is φ = 1230311312722.

The previous prime is 1230311312719. The next prime is 1230311312729. The reversal of 1230311312723 is 3272131130321.

It is a weak prime.

It is an emirp because it is prime and its reverse (3272131130321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1230311312723 - 2² = 1230311312719 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230311312729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615155656361 + 615155656362.

It is an arithmetic number, because the mean of its divisors is an integer number (615155656362).

Almost surely, 2^{1230311312723} is an apocalyptic number.

1230311312723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230311312723 is an equidigital number, since it uses as much as digits as its factorization.

1230311312723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The spelling of 1230311312723 in words is "one trillion, two hundred thirty billion, three hundred eleven million, three hundred twelve thousand, seven hundred twenty-three".