23151793 has 4 divisors (see below), whose sum is σ = 26459200. Its totient is φ = 19844388.

The previous prime is 23151781. The next prime is 23151797. The reversal of 23151793 is 39715132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23151793 is a prime.

It is a super-2 number, since 2×23151793² = 1072011038229698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23151797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1653693 + ... + 1653706.

It is an arithmetic number, because the mean of its divisors is an integer number (6614800).

Almost surely, 2^23151793 is an apocalyptic number.

It is an amenable number.

23151793 is a deficient number, since it is larger than the sum of its proper divisors (3307407).

23151793 is an equidigital number, since it uses as much as digits as its factorization.

23151793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307406.

The product of its digits is 5670, while the sum is 31.

The square root of 23151793 is about 4811.6310124531. The cubic root of 23151793 is about 285.0109485893.

The spelling of 23151793 in words is "twenty-three million, one hundred fifty-one thousand, seven hundred ninety-three".