68458129423 has 2 divisors, whose sum is σ = 68458129424. Its totient is φ = 68458129422.

The previous prime is 68458129391. The next prime is 68458129427. The reversal of 68458129423 is 32492185486.

It is a happy number.

68458129423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68458129423 - 2⁵ = 68458129391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68458129427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34229064711 + 34229064712.

It is an arithmetic number, because the mean of its divisors is an integer number (34229064712).

Almost surely, 2^68458129423 is an apocalyptic number.

68458129423 is a deficient number, since it is larger than the sum of its proper divisors (1).

68458129423 is an equidigital number, since it uses as much as digits as its factorization.

68458129423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3317760, while the sum is 52.

The spelling of 68458129423 in words is "sixty-eight billion, four hundred fifty-eight million, one hundred twenty-nine thousand, four hundred twenty-three".