23113740 has 48 divisors (see below), whose sum is σ = 69699168. Its totient is φ = 5689344.

The previous prime is 23113687. The next prime is 23113751. The reversal of 23113740 is 4731132.

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, 14037 + ... + 15596.

It is an arithmetic number, because the mean of its divisors is an integer number (1452066).

Almost surely, 2^23113740 is an apocalyptic number.

23113740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23113740 is an abundant number, since it is smaller than the sum of its proper divisors (46585428).

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

23113740 is a wasteful number, since it uses less digits than its factorization.

23113740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29658 (or 29656 counting only the distinct ones).

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

The square root of 23113740 is about 4807.6751138154. The cubic root of 23113740 is about 284.8547120354.

Adding to 23113740 its reverse (4731132), we get a palindrome (27844872).

It can be divided in two parts, 231 and 13740, that multiplied together give a triangular number (3173940 = T₂₅₁₉).

The spelling of 23113740 in words is "twenty-three million, one hundred thirteen thousand, seven hundred forty".