23690929 has 4 divisors (see below), whose sum is σ = 24937840. Its totient is φ = 22444020.

The previous prime is 23690923. The next prime is 23690959. The reversal of 23690929 is 92909632.

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 a cyclic number.

It is not a de Polignac number, because 23690929 - 2³ = 23690921 is a prime.

It is a super-2 number, since 2×23690929² = 1122520233766082, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23690891 and 23690900.

It is not an unprimeable number, because it can be changed into a prime (23690921) 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, 623427 + ... + 623464.

It is an arithmetic number, because the mean of its divisors is an integer number (6234460).

Almost surely, 2^23690929 is an apocalyptic number.

It is an amenable number.

23690929 is a deficient number, since it is larger than the sum of its proper divisors (1246911).

23690929 is a wasteful number, since it uses less digits than its factorization.

23690929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246910.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 23690929 is about 4867.3328425330. The cubic root of 23690929 is about 287.2063451512.

The spelling of 23690929 in words is "twenty-three million, six hundred ninety thousand, nine hundred twenty-nine".