23213213642 has 8 divisors (see below), whose sum is σ = 34830993600. Its totient is φ = 11602882444.

The previous prime is 23213213623. The next prime is 23213213693. The reversal of 23213213642 is 24631231232.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1854392 + ... + 1866867.

It is an arithmetic number, because the mean of its divisors is an integer number (4353874200).

Almost surely, 2^23213213642 is an apocalyptic number.

23213213642 is a deficient number, since it is larger than the sum of its proper divisors (11617779958).

23213213642 is a wasteful number, since it uses less digits than its factorization.

23213213642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3724380.

The product of its digits is 10368, while the sum is 29.

Adding to 23213213642 its reverse (24631231232), we get a palindrome (47844444874).

The spelling of 23213213642 in words is "twenty-three billion, two hundred thirteen million, two hundred thirteen thousand, six hundred forty-two".