123331213087 has 2 divisors, whose sum is σ = 123331213088. Its totient is φ = 123331213086.

The previous prime is 123331213051. The next prime is 123331213133. The reversal of 123331213087 is 780312133321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123331213087 - 2¹⁵ = 123331180319 is a prime.

It is a super-2 number, since 2×123331213087² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123331213987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61665606543 + 61665606544.

It is an arithmetic number, because the mean of its divisors is an integer number (61665606544).

Almost surely, 2^123331213087 is an apocalyptic number.

123331213087 is a deficient number, since it is larger than the sum of its proper divisors (1).

123331213087 is an equidigital number, since it uses as much as digits as its factorization.

123331213087 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 34.

The spelling of 123331213087 in words is "one hundred twenty-three billion, three hundred thirty-one million, two hundred thirteen thousand, eighty-seven".