23143431322 has 32 divisors (see below), whose sum is σ = 38289335040. Its totient is φ = 10403916480.

The previous prime is 23143431317. The next prime is 23143431343. The reversal of 23143431322 is 22313434132.

It is a happy number.

It is a super-2 number, since 2×23143431322² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1327023 + ... + 1344349.

It is an arithmetic number, because the mean of its divisors is an integer number (1196541720).

Almost surely, 2^23143431322 is an apocalyptic number.

23143431322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23143431322 is a deficient number, since it is larger than the sum of its proper divisors (15145903718).

23143431322 is a wasteful number, since it uses less digits than its factorization.

23143431322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18006.

The product of its digits is 10368, while the sum is 28.

Adding to 23143431322 its reverse (22313434132), we get a palindrome (45456865454).

The spelling of 23143431322 in words is "twenty-three billion, one hundred forty-three million, four hundred thirty-one thousand, three hundred twenty-two".