56047423 has 2 divisors, whose sum is σ = 56047424. Its totient is φ = 56047422.

The previous prime is 56047421. The next prime is 56047427. The reversal of 56047423 is 32474065.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56047423 - 2¹ = 56047421 is a prime.

Together with 56047421, 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 (56047421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28023711 + 28023712.

It is an arithmetic number, because the mean of its divisors is an integer number (28023712).

Almost surely, 2^56047423 is an apocalyptic number.

56047423 is a deficient number, since it is larger than the sum of its proper divisors (1).

56047423 is an equidigital number, since it uses as much as digits as its factorization.

56047423 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 56047423 is about 7486.4826854805. The cubic root of 56047423 is about 382.6942024354.

The spelling of 56047423 in words is "fifty-six million, forty-seven thousand, four hundred twenty-three".