123031012211087 has 2 divisors, whose sum is σ = 123031012211088. Its totient is φ = 123031012211086.

The previous prime is 123031012211017. The next prime is 123031012211101. The reversal of 123031012211087 is 780112210130321.

It is a strong prime.

It is an emirp because it is prime and its reverse (780112210130321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123031012211087 - 2¹⁴ = 123031012194703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123031012211017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61515506105543 + 61515506105544.

It is an arithmetic number, because the mean of its divisors is an integer number (61515506105544).

Almost surely, 2^{123031012211087} is an apocalyptic number.

123031012211087 is a deficient number, since it is larger than the sum of its proper divisors (1).

123031012211087 is an equidigital number, since it uses as much as digits as its factorization.

123031012211087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 123031012211087 in words is "one hundred twenty-three trillion, thirty-one billion, twelve million, two hundred eleven thousand, eighty-seven".