42044112403 has 2 divisors, whose sum is σ = 42044112404. Its totient is φ = 42044112402.

The previous prime is 42044112389. The next prime is 42044112419. The reversal of 42044112403 is 30421144024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42044112403 - 2⁵ = 42044112371 is a prime.

It is not a weakly prime, because it can be changed into another prime (42044112203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21022056201 + 21022056202.

It is an arithmetic number, because the mean of its divisors is an integer number (21022056202).

Almost surely, 2^42044112403 is an apocalyptic number.

42044112403 is a deficient number, since it is larger than the sum of its proper divisors (1).

42044112403 is an equidigital number, since it uses as much as digits as its factorization.

42044112403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 42044112403 its reverse (30421144024), we get a palindrome (72465256427).

The spelling of 42044112403 in words is "forty-two billion, forty-four million, one hundred twelve thousand, four hundred three".