23148400 has 60 divisors (see below), whose sum is σ = 60681384. Its totient is φ = 8416000.

The previous prime is 23148383. The next prime is 23148401. The reversal of 23148400 is 484132.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23148401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1770 + ... + 7030.

Almost surely, 2^23148400 is an apocalyptic number.

23148400 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 23148400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30340692).

23148400 is an abundant number, since it is smaller than the sum of its proper divisors (37532984).

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

23148400 is a wasteful number, since it uses less digits than its factorization.

23148400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290 (or 5279 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 23148400 is about 4811.2784163879. The cubic root of 23148400 is about 284.9970246945.

The spelling of 23148400 in words is "twenty-three million, one hundred forty-eight thousand, four hundred".