23690117 has 4 divisors (see below), whose sum is σ = 25843776. Its totient is φ = 21536460.

The previous prime is 23690083. The next prime is 23690137. The reversal of 23690117 is 71109632.

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 not a de Polignac number, because 23690117 - 2⁶ = 23690053 is a prime.

It is a super-2 number, since 2×23690117² = 1122443286947378, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23690117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23690137) 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, 1076813 + ... + 1076834.

It is an arithmetic number, because the mean of its divisors is an integer number (6460944).

Almost surely, 2^23690117 is an apocalyptic number.

It is an amenable number.

23690117 is a deficient number, since it is larger than the sum of its proper divisors (2153659).

23690117 is a wasteful number, since it uses less digits than its factorization.

23690117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153658.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 23690117 is about 4867.2494285787. The cubic root of 23690117 is about 287.2030638079.

Adding to 23690117 its reverse (71109632), we get a palindrome (94799749).

The spelling of 23690117 in words is "twenty-three million, six hundred ninety thousand, one hundred seventeen".