23645142 has 32 divisors (see below), whose sum is σ = 52898400. Its totient is φ = 7828704.

The previous prime is 23645131. The next prime is 23645161. The reversal of 23645142 is 24154632.

23645142 is a `hidden beast` number, since 2 + 3 + 645 + 14 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 7084 + ... + 9872.

It is an arithmetic number, because the mean of its divisors is an integer number (1653075).

Almost surely, 2^23645142 is an apocalyptic number.

23645142 is an abundant number, since it is smaller than the sum of its proper divisors (29253258).

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

23645142 is a wasteful number, since it uses less digits than its factorization.

23645142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2957 (or 2951 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 23645142 is about 4862.6270677485. The cubic root of 23645142 is about 287.0211997759.

Adding to 23645142 its reverse (24154632), we get a palindrome (47799774).

The spelling of 23645142 in words is "twenty-three million, six hundred forty-five thousand, one hundred forty-two".