23142704 has 20 divisors (see below), whose sum is σ = 48288576. Its totient is φ = 10681152.

The previous prime is 23142701. The next prime is 23142719. The reversal of 23142704 is 40724132.

It is a self number, because there is not a number n which added to its sum of digits gives 23142704.

It is not an unprimeable number, because it can be changed into a prime (23142701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55424 + ... + 55839.

Almost surely, 2^23142704 is an apocalyptic number.

It is an amenable number.

23142704 is an abundant number, since it is smaller than the sum of its proper divisors (25145872).

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

23142704 is a wasteful number, since it uses less digits than its factorization.

23142704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111284 (or 111278 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 23142704 is about 4810.6864375056. The cubic root of 23142704 is about 284.9736468913.

Adding to 23142704 its reverse (40724132), we get a palindrome (63866836).

The spelling of 23142704 in words is "twenty-three million, one hundred forty-two thousand, seven hundred four".