125263623 has 4 divisors (see below), whose sum is σ = 167018168. Its totient is φ = 83509080.

The previous prime is 125263613. The next prime is 125263627. The reversal of 125263623 is 326362521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326362521 = 3 ⋅108787507.

It is not a de Polignac number, because 125263623 - 2²⁴ = 108486407 is a prime.

It is a super-2 number, since 2×125263623² = 31381950494172258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125263627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20877268 + ... + 20877273.

It is an arithmetic number, because the mean of its divisors is an integer number (41754542).

Almost surely, 2^125263623 is an apocalyptic number.

125263623 is a deficient number, since it is larger than the sum of its proper divisors (41754545).

125263623 is an equidigital number, since it uses as much as digits as its factorization.

125263623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41754544.

The product of its digits is 12960, while the sum is 30.

The square root of 125263623 is about 11192.1232570053. The cubic root of 125263623 is about 500.3512505217.

The spelling of 125263623 in words is "one hundred twenty-five million, two hundred sixty-three thousand, six hundred twenty-three".