233480209815 has 24 divisors (see below), whose sum is σ = 406466292960. Its totient is φ = 123979005504.

The previous prime is 233480209799. The next prime is 233480209829. The reversal of 233480209815 is 518902084332.

233480209815 is a `hidden beast` number, since 23 + 348 + 0 + 209 + 81 + 5 = 666.

It is not a de Polignac number, because 233480209815 - 2⁴ = 233480209799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11318187 + ... + 11338796.

It is an arithmetic number, because the mean of its divisors is an integer number (16936095540).

Almost surely, 2^233480209815 is an apocalyptic number.

233480209815 is a deficient number, since it is larger than the sum of its proper divisors (172986083145).

233480209815 is a wasteful number, since it uses less digits than its factorization.

233480209815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22657223 (or 22657220 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 233480209815 in words is "two hundred thirty-three billion, four hundred eighty million, two hundred nine thousand, eight hundred fifteen".