23351380 has 96 divisors (see below), whose sum is σ = 57859200. Its totient is φ = 7838208.

The previous prime is 23351369. The next prime is 23351407. The reversal of 23351380 is 8315332.

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, 143179 + ... + 143341.

It is an arithmetic number, because the mean of its divisors is an integer number (602700).

Almost surely, 2^23351380 is an apocalyptic number.

23351380 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 23351380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28929600).

23351380 is an abundant number, since it is smaller than the sum of its proper divisors (34507820).

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

23351380 is a wasteful number, since it uses less digits than its factorization.

23351380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 23351380 is about 4832.3265618126. The cubic root of 23351380 is about 285.8276138521.

The spelling of 23351380 in words is "twenty-three million, three hundred fifty-one thousand, three hundred eighty".