23490117 has 12 divisors (see below), whose sum is σ = 38777440. Its totient is φ = 13422888.

The previous prime is 23490109. The next prime is 23490121. The reversal of 23490117 is 71109432.

It is not a de Polignac number, because 23490117 - 2³ = 23490109 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 (23490127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186367 + ... + 186492.

Almost surely, 2^23490117 is an apocalyptic number.

It is an amenable number.

23490117 is a deficient number, since it is larger than the sum of its proper divisors (15287323).

23490117 is a wasteful number, since it uses less digits than its factorization.

23490117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372872 (or 372869 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 23490117 is about 4846.6603966030. The cubic root of 23490117 is about 286.3925567713.

Adding to 23490117 its reverse (71109432), we get a palindrome (94599549).

The spelling of 23490117 in words is "twenty-three million, four hundred ninety thousand, one hundred seventeen".