56129023 has 2 divisors, whose sum is σ = 56129024. Its totient is φ = 56129022.

The previous prime is 56129011. The next prime is 56129069. The reversal of 56129023 is 32092165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56129023 - 2⁵ = 56128991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56128982 and 56129000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56129093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28064511 + 28064512.

It is an arithmetic number, because the mean of its divisors is an integer number (28064512).

Almost surely, 2^56129023 is an apocalyptic number.

56129023 is a deficient number, since it is larger than the sum of its proper divisors (1).

56129023 is an equidigital number, since it uses as much as digits as its factorization.

56129023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 56129023 is about 7491.9305255722. The cubic root of 56129023 is about 382.8798351402.

It can be divided in two parts, 561 and 29023, that added together give a square (29584 = 172²).

The spelling of 56129023 in words is "fifty-six million, one hundred twenty-nine thousand, twenty-three".