23215300538 has 8 divisors (see below), whose sum is σ = 36871359732. Its totient is φ = 10924847296.

The previous prime is 23215300523. The next prime is 23215300547. The reversal of 23215300538 is 83500351232.

It can be written as a sum of positive squares in 2 ways, for example, as 22621062409 + 594238129 = 150403^2 + 24377^2 .

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

It is a super-3 number, since 3×23215300538³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341401445 + ... + 341401512.

Almost surely, 2^23215300538 is an apocalyptic number.

23215300538 is a deficient number, since it is larger than the sum of its proper divisors (13656059194).

23215300538 is a wasteful number, since it uses less digits than its factorization.

23215300538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682802976.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 23215300538 in words is "twenty-three billion, two hundred fifteen million, three hundred thousand, five hundred thirty-eight".