23243412142 has 16 divisors (see below), whose sum is σ = 35955446400. Its totient is φ = 11263812280.

The previous prime is 23243412121. The next prime is 23243412149. The reversal of 23243412142 is 24121434232.

It is a self number, because there is not a number n which added to its sum of digits gives 23243412142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23243412149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1378792 + ... + 1395547.

It is an arithmetic number, because the mean of its divisors is an integer number (2247215400).

Almost surely, 2^23243412142 is an apocalyptic number.

23243412142 is a deficient number, since it is larger than the sum of its proper divisors (12712034258).

23243412142 is a wasteful number, since it uses less digits than its factorization.

23243412142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774471.

The product of its digits is 9216, while the sum is 28.

Adding to 23243412142 its reverse (24121434232), we get a palindrome (47364846374).

The spelling of 23243412142 in words is "twenty-three billion, two hundred forty-three million, four hundred twelve thousand, one hundred forty-two".