23029929 has 12 divisors (see below), whose sum is σ = 35824516. Its totient is φ = 14172192.

The previous prime is 23029921. The next prime is 23029939. The reversal of 23029929 is 92992032.

It can be written as a sum of positive squares in 2 ways, for example, as 5890329 + 17139600 = 2427^2 + 4140^2 .

It is not a de Polignac number, because 23029929 - 2³ = 23029921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23029893 and 23029902.

It is not an unprimeable number, because it can be changed into a prime (23029921) 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, 98302 + ... + 98535.

Almost surely, 2^23029929 is an apocalyptic number.

It is an amenable number.

23029929 is a deficient number, since it is larger than the sum of its proper divisors (12794587).

23029929 is a wasteful number, since it uses less digits than its factorization.

23029929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196856 (or 196853 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 23029929 is about 4798.9508228362. The cubic root of 23029929 is about 284.5099982793.

The spelling of 23029929 in words is "twenty-three million, twenty-nine thousand, nine hundred twenty-nine".