42311444023 has 16 divisors (see below), whose sum is σ = 44303345856. Its totient is φ = 40332441600.

The previous prime is 42311444003. The next prime is 42311444039. The reversal of 42311444023 is 32044411324.

It is a cyclic number.

It is not a de Polignac number, because 42311444023 - 2⁹ = 42311443511 is a prime.

It is a super-2 number, since 2×42311444023² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42311443982 and 42311444000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42311444003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16166611 + ... + 16169227.

It is an arithmetic number, because the mean of its divisors is an integer number (2768959116).

Almost surely, 2^42311444023 is an apocalyptic number.

42311444023 is a deficient number, since it is larger than the sum of its proper divisors (1991901833).

42311444023 is a wasteful number, since it uses less digits than its factorization.

42311444023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4794.

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

Adding to 42311444023 its reverse (32044411324), we get a palindrome (74355855347).

The spelling of 42311444023 in words is "forty-two billion, three hundred eleven million, four hundred forty-four thousand, twenty-three".