425713623 has 4 divisors (see below), whose sum is σ = 567618168. Its totient is φ = 283809080.

The previous prime is 425713621. The next prime is 425713627. The reversal of 425713623 is 326317524.

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

It is a cyclic number.

It is not a de Polignac number, because 425713623 - 2¹ = 425713621 is a prime.

It is a super-2 number, since 2×425713623² = 362464177615572258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425713621) 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, 70952268 + ... + 70952273.

It is an arithmetic number, because the mean of its divisors is an integer number (141904542).

Almost surely, 2^425713623 is an apocalyptic number.

425713623 is a deficient number, since it is larger than the sum of its proper divisors (141904545).

425713623 is a wasteful number, since it uses less digits than its factorization.

425713623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141904544.

The product of its digits is 30240, while the sum is 33.

The square root of 425713623 is about 20632.8287687365. The cubic root of 425713623 is about 752.2678749676.

The spelling of 425713623 in words is "four hundred twenty-five million, seven hundred thirteen thousand, six hundred twenty-three".