42101423017 has 2 divisors, whose sum is σ = 42101423018. Its totient is φ = 42101423016.

The previous prime is 42101422999. The next prime is 42101423027. The reversal of 42101423017 is 71032410124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24534836496 + 17566586521 = 156636^2 + 132539^2 .

It is a cyclic number.

It is not a de Polignac number, because 42101423017 - 2²³ = 42093034409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42101422982 and 42101423000.

It is not a weakly prime, because it can be changed into another prime (42101423027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21050711508 + 21050711509.

It is an arithmetic number, because the mean of its divisors is an integer number (21050711509).

Almost surely, 2^42101423017 is an apocalyptic number.

It is an amenable number.

42101423017 is a deficient number, since it is larger than the sum of its proper divisors (1).

42101423017 is an equidigital number, since it uses as much as digits as its factorization.

42101423017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The spelling of 42101423017 in words is "forty-two billion, one hundred one million, four hundred twenty-three thousand, seventeen".