23032578 has 16 divisors (see below), whose sum is σ = 46398240. Its totient is φ = 7622016.

The previous prime is 23032573. The next prime is 23032589. The reversal of 23032578 is 87523032.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23032571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12975 + ... + 14642.

It is an arithmetic number, because the mean of its divisors is an integer number (2899890).

Almost surely, 2^23032578 is an apocalyptic number.

23032578 is an abundant number, since it is smaller than the sum of its proper divisors (23365662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23032578 is a wasteful number, since it uses less digits than its factorization.

23032578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27761.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 23032578 is about 4799.2268127272. The cubic root of 23032578 is about 284.5209063762.

The spelling of 23032578 in words is "twenty-three million, thirty-two thousand, five hundred seventy-eight".