23334140 has 24 divisors (see below), whose sum is σ = 49156800. Its totient is φ = 9304128.

The previous prime is 23334127. The next prime is 23334163. The reversal of 23334140 is 4143332.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5309 + ... + 8651.

It is an arithmetic number, because the mean of its divisors is an integer number (2048200).

Almost surely, 2^23334140 is an apocalyptic number.

23334140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23334140 is an abundant number, since it is smaller than the sum of its proper divisors (25822660).

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

23334140 is a wasteful number, since it uses less digits than its factorization.

23334140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3701 (or 3699 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 23334140 is about 4830.5424126075. The cubic root of 23334140 is about 285.7572556801.

Adding to 23334140 its reverse (4143332), we get a palindrome (27477472).

The spelling of 23334140 in words is "twenty-three million, three hundred thirty-four thousand, one hundred forty".