18023693315 has 16 divisors (see below), whose sum is σ = 21811507200. Its totient is φ = 14297038560.

The previous prime is 18023693279. The next prime is 18023693321. The reversal of 18023693315 is 51339632081.

It is a happy number.

It is not a de Polignac number, because 18023693315 - 2¹² = 18023689219 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1218836 + ... + 1233534.

It is an arithmetic number, because the mean of its divisors is an integer number (1363219200).

Almost surely, 2^18023693315 is an apocalyptic number.

18023693315 is a deficient number, since it is larger than the sum of its proper divisors (3787813885).

18023693315 is a wasteful number, since it uses less digits than its factorization.

18023693315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16762.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 18023693315 in words is "eighteen billion, twenty-three million, six hundred ninety-three thousand, three hundred fifteen".