23479320 has 128 divisors (see below), whose sum is σ = 75479040. Its totient is φ = 5829120.

The previous prime is 23479277. The next prime is 23479361. The reversal of 23479320 is 2397432.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129630 + ... + 129810.

It is an arithmetic number, because the mean of its divisors is an integer number (589680).

Almost surely, 2^23479320 is an apocalyptic number.

23479320 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 23479320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37739520).

23479320 is an abundant number, since it is smaller than the sum of its proper divisors (51999720).

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

23479320 is a wasteful number, since it uses less digits than its factorization.

23479320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 23479320 is about 4845.5464088171. The cubic root of 23479320 is about 286.3486708778.

The spelling of 23479320 in words is "twenty-three million, four hundred seventy-nine thousand, three hundred twenty".