23893380 has 240 divisors, whose sum is σ = 89443200. Its totient is φ = 5334336.

The previous prime is 23893367. The next prime is 23893403. The reversal of 23893380 is 8339832.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 555639 + ... + 555681.

It is an arithmetic number, because the mean of its divisors is an integer number (372680).

Almost surely, 2^23893380 is an apocalyptic number.

23893380 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 23893380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44721600).

23893380 is an abundant number, since it is smaller than the sum of its proper divisors (65549820).

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

23893380 is a wasteful number, since it uses less digits than its factorization.

23893380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 23893380 is about 4888.0855148002. The cubic root of 23893380 is about 288.0221337156.

The spelling of 23893380 in words is "twenty-three million, eight hundred ninety-three thousand, three hundred eighty".