42389198323 has 2 divisors, whose sum is σ = 42389198324. Its totient is φ = 42389198322.

The previous prime is 42389198321. The next prime is 42389198363. The reversal of 42389198323 is 32389198324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42389198323 - 2¹ = 42389198321 is a prime.

Together with 42389198321, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42389198321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21194599161 + 21194599162.

It is an arithmetic number, because the mean of its divisors is an integer number (21194599162).

Almost surely, 2^42389198323 is an apocalyptic number.

42389198323 is a deficient number, since it is larger than the sum of its proper divisors (1).

42389198323 is an equidigital number, since it uses as much as digits as its factorization.

42389198323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 52.

Subtracting from 42389198323 its reverse (32389198324), we obtain a palindrome (9999999999).

The spelling of 42389198323 in words is "forty-two billion, three hundred eighty-nine million, one hundred ninety-eight thousand, three hundred twenty-three".