23423304142 has 16 divisors (see below), whose sum is σ = 40249624032. Its totient is φ = 10014711840.

The previous prime is 23423304133. The next prime is 23423304161. The reversal of 23423304142 is 24140332432.

It is a self number, because there is not a number n which added to its sum of digits gives 23423304142.

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, 1981153 + ... + 1992940.

It is an arithmetic number, because the mean of its divisors is an integer number (2515601502).

Almost surely, 2^23423304142 is an apocalyptic number.

23423304142 is a deficient number, since it is larger than the sum of its proper divisors (16826319890).

23423304142 is a wasteful number, since it uses less digits than its factorization.

23423304142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3974523.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 23423304142 its reverse (24140332432), we get a palindrome (47563636574).

The spelling of 23423304142 in words is "twenty-three billion, four hundred twenty-three million, three hundred four thousand, one hundred forty-two".