18223025365 has 8 divisors (see below), whose sum is σ = 22621686840. Its totient is φ = 14075716032.

The previous prime is 18223025357. The next prime is 18223025393. The reversal of 18223025365 is 56352032281.

It can be written as a sum of positive squares in 4 ways, for example, as 5812842564 + 12410182801 = 76242^2 + 111401^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18223025365 - 2³ = 18223025357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62837874 + ... + 62838163.

It is an arithmetic number, because the mean of its divisors is an integer number (2827710855).

Almost surely, 2^18223025365 is an apocalyptic number.

It is an amenable number.

18223025365 is a deficient number, since it is larger than the sum of its proper divisors (4398661475).

18223025365 is a wasteful number, since it uses less digits than its factorization.

18223025365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125676071.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 18223025365 in words is "eighteen billion, two hundred twenty-three million, twenty-five thousand, three hundred sixty-five".