23142244 has 24 divisors (see below), whose sum is σ = 42065408. Its totient is φ = 11128320.

The previous prime is 23142239. The next prime is 23142277. The reversal of 23142244 is 44224132.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23449 + ... + 24415.

Almost surely, 2^23142244 is an apocalyptic number.

It is an amenable number.

23142244 is a deficient number, since it is larger than the sum of its proper divisors (18923164).

23142244 is a wasteful number, since it uses less digits than its factorization.

23142244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195 (or 1193 counting only the distinct ones).

The product of its digits is 1536, while the sum is 22.

The square root of 23142244 is about 4810.6386270432. The cubic root of 23142244 is about 284.9717587693.

Adding to 23142244 its reverse (44224132), we get a palindrome (67366376).

The spelling of 23142244 in words is "twenty-three million, one hundred forty-two thousand, two hundred forty-four".