23431343040442 has 8 divisors (see below), whose sum is σ = 35147061921600. Its totient is φ = 11715655733244.

The previous prime is 23431343040437. The next prime is 23431343040487. The reversal of 23431343040442 is 24404034313432.

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

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, 5941692 + ... + 9064567.

It is an arithmetic number, because the mean of its divisors is an integer number (4393382740200).

Almost surely, 2^{23431343040442} is an apocalyptic number.

23431343040442 is a deficient number, since it is larger than the sum of its proper divisors (11715718881158).

23431343040442 is a wasteful number, since it uses less digits than its factorization.

23431343040442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15786980.

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 23431343040442 its reverse (24404034313432), we get a palindrome (47835377353874).

The spelling of 23431343040442 in words is "twenty-three trillion, four hundred thirty-one billion, three hundred forty-three million, forty thousand, four hundred forty-two".