76405423 has 2 divisors, whose sum is σ = 76405424. Its totient is φ = 76405422.

The previous prime is 76405411. The next prime is 76405477. The reversal of 76405423 is 32450467.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76405423 - 2⁵ = 76405391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76405493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38202711 + 38202712.

It is an arithmetic number, because the mean of its divisors is an integer number (38202712).

Almost surely, 2^76405423 is an apocalyptic number.

76405423 is a deficient number, since it is larger than the sum of its proper divisors (1).

76405423 is an equidigital number, since it uses as much as digits as its factorization.

76405423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 76405423 is about 8741.0195629572. The cubic root of 76405423 is about 424.3342249470.

The spelling of 76405423 in words is "seventy-six million, four hundred five thousand, four hundred twenty-three".