125378923 has 2 divisors, whose sum is σ = 125378924. Its totient is φ = 125378922.

The previous prime is 125378899. The next prime is 125378933. The reversal of 125378923 is 329873521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125378923 - 2¹³ = 125370731 is a prime.

It is not a weakly prime, because it can be changed into another prime (125378933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62689461 + 62689462.

It is an arithmetic number, because the mean of its divisors is an integer number (62689462).

Almost surely, 2^125378923 is an apocalyptic number.

125378923 is a deficient number, since it is larger than the sum of its proper divisors (1).

125378923 is an equidigital number, since it uses as much as digits as its factorization.

125378923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 125378923 is about 11197.2730162303. The cubic root of 125378923 is about 500.5047210086.

The spelling of 125378923 in words is "one hundred twenty-five million, three hundred seventy-eight thousand, nine hundred twenty-three".