23326140 has 48 divisors (see below), whose sum is σ = 68156928. Its totient is φ = 5949504.

The previous prime is 23326133. The next prime is 23326157. The reversal of 23326140 is 4162332.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7072 + ... + 9831.

It is an arithmetic number, because the mean of its divisors is an integer number (1419936).

Almost surely, 2^23326140 is an apocalyptic number.

23326140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23326140 is an abundant number, since it is smaller than the sum of its proper divisors (44830788).

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

23326140 is a wasteful number, since it uses less digits than its factorization.

23326140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16938 (or 16936 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 23326140 is about 4829.7142772632. The cubic root of 23326140 is about 285.7245951042.

Adding to 23326140 its reverse (4162332), we get a palindrome (27488472).

The spelling of 23326140 in words is "twenty-three million, three hundred twenty-six thousand, one hundred forty".