23319480 has 64 divisors (see below), whose sum is σ = 72381600. Its totient is φ = 6003200.

The previous prime is 23319467. The next prime is 23319487. The reversal of 23319480 is 8491332.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23319487) 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, 130 + ... + 6830.

Almost surely, 2^23319480 is an apocalyptic number.

23319480 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 23319480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36190800).

23319480 is an abundant number, since it is smaller than the sum of its proper divisors (49062120).

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

23319480 is a wasteful number, since it uses less digits than its factorization.

23319480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6744 (or 6740 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 23319480 is about 4829.0247462609. The cubic root of 23319480 is about 285.6973994782.

It can be divided in two parts, 2331 and 9480, that added together give a palindrome (11811).

The spelling of 23319480 in words is "twenty-three million, three hundred nineteen thousand, four hundred eighty".