23040351 has 6 divisors (see below), whose sum is σ = 33280520. Its totient is φ = 15360228.

The previous prime is 23040349. The next prime is 23040403. The reversal of 23040351 is 15304032.

It is not a de Polignac number, because 23040351 - 2¹ = 23040349 is a prime.

It is a Duffinian number.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 1280011 + ... + 1280028.

Almost surely, 2^23040351 is an apocalyptic number.

23040351 is a deficient number, since it is larger than the sum of its proper divisors (10240169).

23040351 is a wasteful number, since it uses less digits than its factorization.

23040351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560045 (or 2560042 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 23040351 is about 4800.0365623607. The cubic root of 23040351 is about 284.5529093398.

Adding to 23040351 its reverse (15304032), we get a palindrome (38344383).

The spelling of 23040351 in words is "twenty-three million, forty thousand, three hundred fifty-one".