23221002142 has 16 divisors (see below), whose sum is σ = 37784657232. Its totient is φ = 10639154880.

The previous prime is 23221002127. The next prime is 23221002163. The reversal of 23221002142 is 24120012232.

It is a super-3 number, since 3×23221002142³ (a number of 32 digits) contains 333 as substring.

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, 3255984 + ... + 3263107.

It is an arithmetic number, because the mean of its divisors is an integer number (2361541077).

Almost surely, 2^23221002142 is an apocalyptic number.

23221002142 is a deficient number, since it is larger than the sum of its proper divisors (14563655090).

23221002142 is a wasteful number, since it uses less digits than its factorization.

23221002142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6519243.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 23221002142 its reverse (24120012232), we get a palindrome (47341014374).

The spelling of 23221002142 in words is "twenty-three billion, two hundred twenty-one million, two thousand, one hundred forty-two".