23491117 has 8 divisors (see below), whose sum is σ = 25837056. Its totient is φ = 21222192.

The previous prime is 23491109. The next prime is 23491121. The reversal of 23491117 is 71119432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23491117 - 2³ = 23491109 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 (23491147) 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 7 ways as a sum of consecutive naturals, for example, 18613 + ... + 19834.

It is an arithmetic number, because the mean of its divisors is an integer number (3229632).

Almost surely, 2^23491117 is an apocalyptic number.

It is an amenable number.

23491117 is a deficient number, since it is larger than the sum of its proper divisors (2345939).

23491117 is a wasteful number, since it uses less digits than its factorization.

23491117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38507.

The product of its digits is 1512, while the sum is 28.

The square root of 23491117 is about 4846.7635593249. The cubic root of 23491117 is about 286.3966207286.

The spelling of 23491117 in words is "twenty-three million, four hundred ninety-one thousand, one hundred seventeen".