23420111142 has 8 divisors (see below), whose sum is σ = 46840222296. Its totient is φ = 7806703712.

The previous prime is 23420111119. The next prime is 23420111147. The reversal of 23420111142 is 24111102432.

It is a sphenic number, since it is the product of 3 distinct primes.

23420111142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23420111147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1951675923 + ... + 1951675934.

It is an arithmetic number, because the mean of its divisors is an integer number (5855027787).

Almost surely, 2^23420111142 is an apocalyptic number.

23420111142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23420111142 is a wasteful number, since it uses less digits than its factorization.

23420111142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3903351862.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 23420111142 its reverse (24111102432), we get a palindrome (47531213574).

The spelling of 23420111142 in words is "twenty-three billion, four hundred twenty million, one hundred eleven thousand, one hundred forty-two".