42391723483 has 2 divisors, whose sum is σ = 42391723484. Its totient is φ = 42391723482.

The previous prime is 42391723459. The next prime is 42391723489. The reversal of 42391723483 is 38432719324.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42391723483 is a prime.

It is not a weakly prime, because it can be changed into another prime (42391723489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21195861741 + 21195861742.

It is an arithmetic number, because the mean of its divisors is an integer number (21195861742).

Almost surely, 2^42391723483 is an apocalyptic number.

42391723483 is a deficient number, since it is larger than the sum of its proper divisors (1).

42391723483 is an equidigital number, since it uses as much as digits as its factorization.

42391723483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 46.

The spelling of 42391723483 in words is "forty-two billion, three hundred ninety-one million, seven hundred twenty-three thousand, four hundred eighty-three".