23394480 has 80 divisors (see below), whose sum is σ = 73281024. Its totient is φ = 6173440.

The previous prime is 23394479. The next prime is 23394487. The reversal of 23394480 is 8449332.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23394487) 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, 25225 + ... + 26135.

Almost surely, 2^23394480 is an apocalyptic number.

23394480 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 23394480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36640512).

23394480 is an abundant number, since it is smaller than the sum of its proper divisors (49886544).

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

23394480 is a wasteful number, since it uses less digits than its factorization.

23394480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 23394480 is about 4836.7840555477. The cubic root of 23394480 is about 286.0033579080.

The spelling of 23394480 in words is "twenty-three million, three hundred ninety-four thousand, four hundred eighty".