42170453323 has 2 divisors, whose sum is σ = 42170453324. Its totient is φ = 42170453322.

The previous prime is 42170453261. The next prime is 42170453357. The reversal of 42170453323 is 32335407124.

It is an a-pointer prime, because the next prime (42170453357) can be obtained adding 42170453323 to its sum of digits (34).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42170453323 - 2⁹ = 42170452811 is a prime.

It is not a weakly prime, because it can be changed into another prime (42170450323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21085226661 + 21085226662.

It is an arithmetic number, because the mean of its divisors is an integer number (21085226662).

Almost surely, 2^42170453323 is an apocalyptic number.

42170453323 is a deficient number, since it is larger than the sum of its proper divisors (1).

42170453323 is an equidigital number, since it uses as much as digits as its factorization.

42170453323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 34.

The spelling of 42170453323 in words is "forty-two billion, one hundred seventy million, four hundred fifty-three thousand, three hundred twenty-three".