11442344123 has 6 divisors (see below), whose sum is σ = 13310481996. Its totient is φ = 9807723492.

The previous prime is 11442344119. The next prime is 11442344131. The reversal of 11442344123 is 32144324411.

It is not a de Polignac number, because 11442344123 - 2² = 11442344119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11442344113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116758565 + ... + 116758662.

It is an arithmetic number, because the mean of its divisors is an integer number (2218413666).

Almost surely, 2^11442344123 is an apocalyptic number.

11442344123 is a deficient number, since it is larger than the sum of its proper divisors (1868137873).

11442344123 is an equidigital number, since it uses as much as digits as its factorization.

11442344123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233517241 (or 233517234 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

Adding to 11442344123 its reverse (32144324411), we get a palindrome (43586668534).

The spelling of 11442344123 in words is "eleven billion, four hundred forty-two million, three hundred forty-four thousand, one hundred twenty-three".