51047023 has 2 divisors, whose sum is σ = 51047024. Its totient is φ = 51047022.

The previous prime is 51047021. The next prime is 51047071. The reversal of 51047023 is 32074015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51047023 - 2¹ = 51047021 is a prime.

Together with 51047021, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 51046985 and 51047003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51047021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25523511 + 25523512.

It is an arithmetic number, because the mean of its divisors is an integer number (25523512).

Almost surely, 2^51047023 is an apocalyptic number.

51047023 is a deficient number, since it is larger than the sum of its proper divisors (1).

51047023 is an equidigital number, since it uses as much as digits as its factorization.

51047023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 51047023 is about 7144.7199385280. The cubic root of 51047023 is about 370.9569167476.

The spelling of 51047023 in words is "fifty-one million, forty-seven thousand, twenty-three".