23431221142242 has 8 divisors (see below), whose sum is σ = 46862442284496. Its totient is φ = 7810407047412.

The previous prime is 23431221142211. The next prime is 23431221142279. The reversal of 23431221142242 is 24224112213432.

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

23431221142242 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1952601761848 + ... + 1952601761859.

It is an arithmetic number, because the mean of its divisors is an integer number (5857805285562).

Almost surely, 2^{23431221142242} is an apocalyptic number.

23431221142242 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.

23431221142242 is a wasteful number, since it uses less digits than its factorization.

23431221142242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905203523712.

The product of its digits is 36864, while the sum is 33.

Adding to 23431221142242 its reverse (24224112213432), we get a palindrome (47655333355674).

The spelling of 23431221142242 in words is "twenty-three trillion, four hundred thirty-one billion, two hundred twenty-one million, one hundred forty-two thousand, two hundred forty-two".