23232131222 has 16 divisors (see below), whose sum is σ = 35033373600. Its totient is φ = 11554373952.

The previous prime is 23232131189. The next prime is 23232131257. The reversal of 23232131222 is 22213123232.

It is a super-2 number, since 2×23232131222² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1957418 + ... + 1969250.

It is an arithmetic number, because the mean of its divisors is an integer number (2189585850).

Almost surely, 2^23232131222 is an apocalyptic number.

23232131222 is a deficient number, since it is larger than the sum of its proper divisors (11801242378).

23232131222 is a wasteful number, since it uses less digits than its factorization.

23232131222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16967.

The product of its digits is 1728, while the sum is 23.

Adding to 23232131222 its reverse (22213123232), we get a palindrome (45445254454).

The spelling of 23232131222 in words is "twenty-three billion, two hundred thirty-two million, one hundred thirty-one thousand, two hundred twenty-two".