23690099 has 4 divisors (see below), whose sum is σ = 24137136. Its totient is φ = 23243064.

The previous prime is 23690083. The next prime is 23690137. The reversal of 23690099 is 99009632.

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 23690099 - 2⁴ = 23690083 is a prime.

It is a super-2 number, since 2×23690099² = 1122441581259602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23690039) 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, 223439 + ... + 223544.

It is an arithmetic number, because the mean of its divisors is an integer number (6034284).

Almost surely, 2^23690099 is an apocalyptic number.

23690099 is a deficient number, since it is larger than the sum of its proper divisors (447037).

23690099 is an equidigital number, since it uses as much as digits as its factorization.

23690099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447036.

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 23690099 is about 4867.2475794847. The cubic root of 23690099 is about 287.2029910679.

The spelling of 23690099 in words is "twenty-three million, six hundred ninety thousand, ninety-nine".