125456423 has 2 divisors, whose sum is σ = 125456424. Its totient is φ = 125456422.

The previous prime is 125456389. The next prime is 125456477. The reversal of 125456423 is 324654521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125456423 - 2²⁰ = 124407847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125456423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125456483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62728211 + 62728212.

It is an arithmetic number, because the mean of its divisors is an integer number (62728212).

Almost surely, 2^125456423 is an apocalyptic number.

125456423 is a deficient number, since it is larger than the sum of its proper divisors (1).

125456423 is an equidigital number, since it uses as much as digits as its factorization.

125456423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 32.

The square root of 125456423 is about 11200.7331456472. The cubic root of 125456423 is about 500.6078247986.

The spelling of 125456423 in words is "one hundred twenty-five million, four hundred fifty-six thousand, four hundred twenty-three".