123642604207 has 2 divisors, whose sum is σ = 123642604208. Its totient is φ = 123642604206.

The previous prime is 123642604153. The next prime is 123642604213. The reversal of 123642604207 is 702406246321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123642604207 - 2⁷ = 123642604079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123642604507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61821302103 + 61821302104.

It is an arithmetic number, because the mean of its divisors is an integer number (61821302104).

Almost surely, 2^123642604207 is an apocalyptic number.

123642604207 is a deficient number, since it is larger than the sum of its proper divisors (1).

123642604207 is an equidigital number, since it uses as much as digits as its factorization.

123642604207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 37.

The spelling of 123642604207 in words is "one hundred twenty-three billion, six hundred forty-two million, six hundred four thousand, two hundred seven".