23364140 has 24 divisors (see below), whose sum is σ = 50757840. Its totient is φ = 9023168.

The previous prime is 23364139. The next prime is 23364151. The reversal of 23364140 is 4146332.

It is a happy 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, 19562 + ... + 20721.

It is an arithmetic number, because the mean of its divisors is an integer number (2114910).

Almost surely, 2^23364140 is an apocalyptic number.

23364140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23364140 is an abundant number, since it is smaller than the sum of its proper divisors (27393700).

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

23364140 is a wasteful number, since it uses less digits than its factorization.

23364140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40321 (or 40319 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 23364140 is about 4833.6466565110. The cubic root of 23364140 is about 285.8796663967.

The spelling of 23364140 in words is "twenty-three million, three hundred sixty-four thousand, one hundred forty".