23371140 has 144 divisors (see below), whose sum is σ = 75273408. Its totient is φ = 5384448.

The previous prime is 23371111. The next prime is 23371171. The reversal of 23371140 is 4117332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 281539 + ... + 281621.

It is an arithmetic number, because the mean of its divisors is an integer number (522732).

Almost surely, 2^23371140 is an apocalyptic number.

23371140 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 23371140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37636704).

23371140 is an abundant number, since it is smaller than the sum of its proper divisors (51902268).

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

23371140 is a wasteful number, since it uses less digits than its factorization.

23371140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 23371140 is about 4834.3706932754. The cubic root of 23371140 is about 285.9082138180.

Adding to 23371140 its reverse (4117332), we get a palindrome (27488472).

The spelling of 23371140 in words is "twenty-three million, three hundred seventy-one thousand, one hundred forty".