125056823 has 2 divisors, whose sum is σ = 125056824. Its totient is φ = 125056822.

The previous prime is 125056807. The next prime is 125056843. The reversal of 125056823 is 328650521.

It is a weak prime.

It is an emirp because it is prime and its reverse (328650521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125056823 - 2⁴ = 125056807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125056823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125056843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62528411 + 62528412.

It is an arithmetic number, because the mean of its divisors is an integer number (62528412).

Almost surely, 2^125056823 is an apocalyptic number.

125056823 is a deficient number, since it is larger than the sum of its proper divisors (1).

125056823 is an equidigital number, since it uses as much as digits as its factorization.

125056823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 125056823 is about 11182.8808005809. The cubic root of 125056823 is about 500.0757525225.

The spelling of 125056823 in words is "one hundred twenty-five million, fifty-six thousand, eight hundred twenty-three".