42023423431244 has 12 divisors (see below), whose sum is σ = 73638138950544. Its totient is φ = 20983955159664.

The previous prime is 42023423431243. The next prime is 42023423431267. The reversal of 42023423431244 is 44213432432024.

It is a junction number, because it is equal to n+sod(n) for n = 42023423431198 and 42023423431207.

It is not an unprimeable number, because it can be changed into a prime (42023423431243) 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, 6939135584 + ... + 6939141639.

It is an arithmetic number, because the mean of its divisors is an integer number (6136511579212).

Almost surely, 2^{42023423431244} is an apocalyptic number.

It is an amenable number.

42023423431244 is a deficient number, since it is larger than the sum of its proper divisors (31614715519300).

42023423431244 is a wasteful number, since it uses less digits than its factorization.

42023423431244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13878277984 (or 13878277982 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 42023423431244 its reverse (44213432432024), we get a palindrome (86236855863268).

The spelling of 42023423431244 in words is "forty-two trillion, twenty-three billion, four hundred twenty-three million, four hundred thirty-one thousand, two hundred forty-four".