425585723 has 4 divisors (see below), whose sum is σ = 427038528. Its totient is φ = 424132920.

The previous prime is 425585659. The next prime is 425585747. The reversal of 425585723 is 327585524.

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 425585723 - 2⁶ = 425585659 is a prime.

It is a super-2 number, since 2×425585723² = 362246415242865458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425585753) 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, 725963 + ... + 726548.

It is an arithmetic number, because the mean of its divisors is an integer number (106759632).

Almost surely, 2^425585723 is an apocalyptic number.

425585723 is a deficient number, since it is larger than the sum of its proper divisors (1452805).

425585723 is a wasteful number, since it uses less digits than its factorization.

425585723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452804.

The product of its digits is 336000, while the sum is 41.

The square root of 425585723 is about 20629.7291063164. The cubic root of 425585723 is about 752.1925311268.

The spelling of 425585723 in words is "four hundred twenty-five million, five hundred eighty-five thousand, seven hundred twenty-three".