23032529 has 16 divisors (see below), whose sum is σ = 25777920. Its totient is φ = 20442240.

The previous prime is 23032519. The next prime is 23032531. The reversal of 23032529 is 92523032.

It is not a de Polignac number, because 23032529 - 2²⁰ = 21983953 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 = 23032498 and 23032507.

It is not an unprimeable number, because it can be changed into a prime (23032519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41834 + ... + 42380.

It is an arithmetic number, because the mean of its divisors is an integer number (1611120).

Almost surely, 2^23032529 is an apocalyptic number.

It is an amenable number.

23032529 is a deficient number, since it is larger than the sum of its proper divisors (2745391).

23032529 is a wasteful number, since it uses less digits than its factorization.

23032529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 23032529 is about 4799.2217077355. The cubic root of 23032529 is about 284.5207046108.

The spelling of 23032529 in words is "twenty-three million, thirty-two thousand, five hundred twenty-nine".