23133745918 has 4 divisors (see below), whose sum is σ = 34700618880. Its totient is φ = 11566872958.

The previous prime is 23133745907. The next prime is 23133745937. The reversal of 23133745918 is 81954733132.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5783436478 + ... + 5783436481.

It is an arithmetic number, because the mean of its divisors is an integer number (8675154720).

Almost surely, 2^23133745918 is an apocalyptic number.

23133745918 is a deficient number, since it is larger than the sum of its proper divisors (11566872962).

23133745918 is a wasteful number, since it uses less digits than its factorization.

23133745918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11566872961.

The product of its digits is 544320, while the sum is 46.

The spelling of 23133745918 in words is "twenty-three billion, one hundred thirty-three million, seven hundred forty-five thousand, nine hundred eighteen".