23212642 has 32 divisors (see below), whose sum is σ = 38465280. Its totient is φ = 10465920.

The previous prime is 23212627. The next prime is 23212663. The reversal of 23212642 is 24621232.

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, 73068 + ... + 73384.

It is an arithmetic number, because the mean of its divisors is an integer number (1202040).

Almost surely, 2^23212642 is an apocalyptic number.

23212642 is a deficient number, since it is larger than the sum of its proper divisors (15252638).

23212642 is a wasteful number, since it uses less digits than its factorization.

23212642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426.

The product of its digits is 1152, while the sum is 22.

The square root of 23212642 is about 4817.9499789848. The cubic root of 23212642 is about 285.2604247270.

Adding to 23212642 its reverse (24621232), we get a palindrome (47833874).

The spelling of 23212642 in words is "twenty-three million, two hundred twelve thousand, six hundred forty-two".