23040331 has 4 divisors (see below), whose sum is σ = 24253000. Its totient is φ = 21827664.

The previous prime is 23040301. The next prime is 23040349. The reversal of 23040331 is 13304032.

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

It is a cyclic number.

It is not a de Polignac number, because 23040331 - 2⁵ = 23040299 is a prime.

It is a super-2 number, since 2×23040331² = 1061713705179122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23040301) 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, 606306 + ... + 606343.

It is an arithmetic number, because the mean of its divisors is an integer number (6063250).

Almost surely, 2^23040331 is an apocalyptic number.

23040331 is a deficient number, since it is larger than the sum of its proper divisors (1212669).

23040331 is a wasteful number, since it uses less digits than its factorization.

23040331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212668.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 23040331 is about 4800.0344790428. The cubic root of 23040331 is about 284.5528270051.

Adding to 23040331 its reverse (13304032), we get a palindrome (36344363).

The spelling of 23040331 in words is "twenty-three million, forty thousand, three hundred thirty-one".