56877340423 has 2 divisors, whose sum is σ = 56877340424. Its totient is φ = 56877340422.

The previous prime is 56877340393. The next prime is 56877340439. The reversal of 56877340423 is 32404377865.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56877340423 - 2²⁵ = 56843785991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56877340463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28438670211 + 28438670212.

It is an arithmetic number, because the mean of its divisors is an integer number (28438670212).

Almost surely, 2^56877340423 is an apocalyptic number.

56877340423 is a deficient number, since it is larger than the sum of its proper divisors (1).

56877340423 is an equidigital number, since it uses as much as digits as its factorization.

56877340423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 56877340423 in words is "fifty-six billion, eight hundred seventy-seven million, three hundred forty thousand, four hundred twenty-three".