23362140 has 24 divisors (see below), whose sum is σ = 65414160. Its totient is φ = 6229888.

The previous prime is 23362123. The next prime is 23362177. The reversal of 23362140 is 4126332.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194625 + ... + 194744.

It is an arithmetic number, because the mean of its divisors is an integer number (2725590).

Almost surely, 2^23362140 is an apocalyptic number.

23362140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23362140 is an abundant number, since it is smaller than the sum of its proper divisors (42052020).

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

23362140 is a wasteful number, since it uses less digits than its factorization.

23362140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389381 (or 389379 counting only the distinct ones).

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

The square root of 23362140 is about 4833.4397689430. The cubic root of 23362140 is about 285.8715089433.

Adding to 23362140 its reverse (4126332), we get a palindrome (27488472).

The spelling of 23362140 in words is "twenty-three million, three hundred sixty-two thousand, one hundred forty".