23119929 has 12 divisors (see below), whose sum is σ = 38166336. Its totient is φ = 13211352.

The previous prime is 23119927. The next prime is 23119937. The reversal of 23119929 is 92991132.

It is a happy number.

It is not a de Polignac number, because 23119929 - 2¹ = 23119927 is a prime.

It is a super-2 number, since 2×23119929² = 1069062233930082, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23119893 and 23119902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23119927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183429 + ... + 183554.

It is an arithmetic number, because the mean of its divisors is an integer number (3180528).

Almost surely, 2^23119929 is an apocalyptic number.

It is an amenable number.

23119929 is a deficient number, since it is larger than the sum of its proper divisors (15046407).

23119929 is a wasteful number, since it uses less digits than its factorization.

23119929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366996 (or 366993 counting only the distinct ones).

The product of its digits is 8748, while the sum is 36.

The square root of 23119929 is about 4808.3187290362. The cubic root of 23119929 is about 284.8801342660.

The spelling of 23119929 in words is "twenty-three million, one hundred nineteen thousand, nine hundred twenty-nine".