125351023 has 4 divisors (see below), whose sum is σ = 143258320. Its totient is φ = 107443728.

The previous prime is 125350969. The next prime is 125351029. The reversal of 125351023 is 320153521.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-125351023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125350985 and 125351003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125351029) 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 in 3 ways as a sum of consecutive naturals, for example, 8953638 + ... + 8953651.

It is an arithmetic number, because the mean of its divisors is an integer number (35814580).

Almost surely, 2^125351023 is an apocalyptic number.

125351023 is a deficient number, since it is larger than the sum of its proper divisors (17907297).

125351023 is an equidigital number, since it uses as much as digits as its factorization.

125351023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17907296.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 125351023 is about 11196.0271078629. The cubic root of 125351023 is about 500.4675932435.

The spelling of 125351023 in words is "one hundred twenty-five million, three hundred fifty-one thousand, twenty-three".