725355523223 has 4 divisors (see below), whose sum is σ = 725578233120. Its totient is φ = 725132813328.

The previous prime is 725355523147. The next prime is 725355523241. The reversal of 725355523223 is 322325553527.

It is a happy number.

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 725355523223 - 2¹⁴ = 725355506839 is a prime.

It is a super-2 number, since 2×725355523223² (a number of 25 digits) 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 (725355523423) 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, 111350063 + ... + 111356576.

It is an arithmetic number, because the mean of its divisors is an integer number (181394558280).

Almost surely, 2^725355523223 is an apocalyptic number.

725355523223 is a deficient number, since it is larger than the sum of its proper divisors (222709897).

725355523223 is a wasteful number, since it uses less digits than its factorization.

725355523223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222709896.

The product of its digits is 1890000, while the sum is 44.

The spelling of 725355523223 in words is "seven hundred twenty-five billion, three hundred fifty-five million, five hundred twenty-three thousand, two hundred twenty-three".