23017432 has 8 divisors (see below), whose sum is σ = 43157700. Its totient is φ = 11508712.

The previous prime is 23017403. The next prime is 23017433. The reversal of 23017432 is 23471032.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23017433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1438582 + ... + 1438597.

Almost surely, 2^23017432 is an apocalyptic number.

It is an amenable number.

23017432 is a deficient number, since it is larger than the sum of its proper divisors (20140268).

23017432 is a wasteful number, since it uses less digits than its factorization.

23017432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877185 (or 2877181 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 23017432 is about 4797.6485907161. The cubic root of 23017432 is about 284.4585266375.

Adding to 23017432 its reverse (23471032), we get a palindrome (46488464).

The spelling of 23017432 in words is "twenty-three million, seventeen thousand, four hundred thirty-two".