123464605123 has 2 divisors, whose sum is σ = 123464605124. Its totient is φ = 123464605122.

The previous prime is 123464605111. The next prime is 123464605151. The reversal of 123464605123 is 321506464321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123464605123 is a prime.

It is not a weakly prime, because it can be changed into another prime (123464605183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61732302561 + 61732302562.

It is an arithmetic number, because the mean of its divisors is an integer number (61732302562).

Almost surely, 2^123464605123 is an apocalyptic number.

123464605123 is a deficient number, since it is larger than the sum of its proper divisors (1).

123464605123 is an equidigital number, since it uses as much as digits as its factorization.

123464605123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 123464605123 in words is "one hundred twenty-three billion, four hundred sixty-four million, six hundred five thousand, one hundred twenty-three".