23434480 has 40 divisors (see below), whose sum is σ = 55523232. Its totient is φ = 9195264.

The previous prime is 23434423. The next prime is 23434487. The reversal of 23434480 is 8443432.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23434487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1477 + ... + 7003.

Almost surely, 2^23434480 is an apocalyptic number.

23434480 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 23434480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27761616).

23434480 is an abundant number, since it is smaller than the sum of its proper divisors (32088752).

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

23434480 is a wasteful number, since it uses less digits than its factorization.

23434480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5593 (or 5587 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 23434480 is about 4840.9172684523. The cubic root of 23434480 is about 286.1662684232.

The spelling of 23434480 in words is "twenty-three million, four hundred thirty-four thousand, four hundred eighty".