23232729 has 8 divisors (see below), whose sum is σ = 33359872. Its totient is φ = 14297040.

The previous prime is 23232721. The next prime is 23232743. The reversal of 23232729 is 92723232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23232729 - 2³ = 23232721 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 23232696 and 23232705.

It is not an unprimeable number, because it can be changed into a prime (23232721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297817 + ... + 297894.

It is an arithmetic number, because the mean of its divisors is an integer number (4169984).

Almost surely, 2^23232729 is an apocalyptic number.

It is an amenable number.

23232729 is a deficient number, since it is larger than the sum of its proper divisors (10127143).

23232729 is a wasteful number, since it uses less digits than its factorization.

23232729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595727.

The product of its digits is 9072, while the sum is 30.

The square root of 23232729 is about 4820.0341285099. The cubic root of 23232729 is about 285.3426841286.

The spelling of 23232729 in words is "twenty-three million, two hundred thirty-two thousand, seven hundred twenty-nine".