23739133 has 4 divisors (see below), whose sum is σ = 25897248. Its totient is φ = 21581020.

The previous prime is 23739109. The next prime is 23739137. The reversal of 23739133 is 33193732.

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 not a de Polignac number, because 23739133 - 2⁹ = 23738621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23739095 and 23739104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23739137) 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, 1079041 + ... + 1079062.

It is an arithmetic number, because the mean of its divisors is an integer number (6474312).

Almost surely, 2^23739133 is an apocalyptic number.

It is an amenable number.

23739133 is a deficient number, since it is larger than the sum of its proper divisors (2158115).

23739133 is a wasteful number, since it uses less digits than its factorization.

23739133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158114.

The product of its digits is 10206, while the sum is 31.

The square root of 23739133 is about 4872.2821141638. The cubic root of 23739133 is about 287.4010063716.

The spelling of 23739133 in words is "twenty-three million, seven hundred thirty-nine thousand, one hundred thirty-three".