23032729 has 8 divisors (see below), whose sum is σ = 24082560. Its totient is φ = 21986976.

The previous prime is 23032703. The next prime is 23032733. The reversal of 23032729 is 92723032.

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

It is a cyclic number.

It is not a de Polignac number, because 23032729 - 2⁷ = 23032601 is a prime.

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 = 23032697 and 23032706.

It is not an unprimeable number, because it can be changed into a prime (23032829) 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, 19837 + ... + 20965.

It is an arithmetic number, because the mean of its divisors is an integer number (3010320).

Almost surely, 2^23032729 is an apocalyptic number.

It is an amenable number.

23032729 is a deficient number, since it is larger than the sum of its proper divisors (1049831).

23032729 is a wasteful number, since it uses less digits than its factorization.

23032729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 23032729 is about 4799.2425444022. The cubic root of 23032729 is about 284.5215281413.

The spelling of 23032729 in words is "twenty-three million, thirty-two thousand, seven hundred twenty-nine".