56980423 has 2 divisors, whose sum is σ = 56980424. Its totient is φ = 56980422.

The previous prime is 56980421. The next prime is 56980493. The reversal of 56980423 is 32408965.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56980423 - 2¹ = 56980421 is a prime.

Together with 56980421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56980421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28490211 + 28490212.

It is an arithmetic number, because the mean of its divisors is an integer number (28490212).

Almost surely, 2^56980423 is an apocalyptic number.

56980423 is a deficient number, since it is larger than the sum of its proper divisors (1).

56980423 is an equidigital number, since it uses as much as digits as its factorization.

56980423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 56980423 is about 7548.5378054296. The cubic root of 56980423 is about 384.8060483710.

The spelling of 56980423 in words is "fifty-six million, nine hundred eighty thousand, four hundred twenty-three".