23323231142 has 4 divisors (see below), whose sum is σ = 34984846716. Its totient is φ = 11661615570.

The previous prime is 23323231133. The next prime is 23323231157. The reversal of 23323231142 is 24113232332.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×23323231142² (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 as a sum of consecutive naturals, namely, 5830807784 + ... + 5830807787.

It is an arithmetic number, because the mean of its divisors is an integer number (8746211679).

Almost surely, 2^23323231142 is an apocalyptic number.

23323231142 is a deficient number, since it is larger than the sum of its proper divisors (11661615574).

23323231142 is a wasteful number, since it uses less digits than its factorization.

23323231142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11661615573.

The product of its digits is 5184, while the sum is 26.

Adding to 23323231142 its reverse (24113232332), we get a palindrome (47436463474).

The spelling of 23323231142 in words is "twenty-three billion, three hundred twenty-three million, two hundred thirty-one thousand, one hundred forty-two".