23290032 has 20 divisors (see below), whose sum is σ = 60166040. Its totient is φ = 7763328.

The previous prime is 23290013. The next prime is 23290037. The reversal of 23290032 is 23009232.

It is a super-2 number, since 2×23290032² = 1084851181122048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23289990 and 23290008.

It is not an unprimeable number, because it can be changed into a prime (23290037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242557 + ... + 242652.

It is an arithmetic number, because the mean of its divisors is an integer number (3008302).

Almost surely, 2^23290032 is an apocalyptic number.

It is an amenable number.

23290032 is an abundant number, since it is smaller than the sum of its proper divisors (36876008).

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

23290032 is a wasteful number, since it uses less digits than its factorization.

23290032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485220 (or 485214 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 23290032 is about 4825.9747201990. The cubic root of 23290032 is about 285.5770886061.

Adding to 23290032 its reverse (23009232), we get a palindrome (46299264).

The spelling of 23290032 in words is "twenty-three million, two hundred ninety thousand, thirty-two".