23433280 has 112 divisors (see below), whose sum is σ = 61959744. Its totient is φ = 8386560.

The previous prime is 23433271. The next prime is 23433283. The reversal of 23433280 is 8233432.

It is a super-2 number, since 2×23433280² = 1098237223116800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23433283) 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, 178815 + ... + 178945.

It is an arithmetic number, because the mean of its divisors is an integer number (553212).

Almost surely, 2^23433280 is an apocalyptic number.

23433280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23433280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30979872).

23433280 is an abundant number, since it is smaller than the sum of its proper divisors (38526464).

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

23433280 is a wasteful number, since it uses less digits than its factorization.

23433280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 23433280 is about 4840.7933234130. The cubic root of 23433280 is about 286.1613838061.

The spelling of 23433280 in words is "twenty-three million, four hundred thirty-three thousand, two hundred eighty".