42006230155403 has 2 divisors, whose sum is σ = 42006230155404. Its totient is φ = 42006230155402.

The previous prime is 42006230155339. The next prime is 42006230155441. The reversal of 42006230155403 is 30455103260024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42006230155403 - 2⁶ = 42006230155339 is a prime.

It is not a weakly prime, because it can be changed into another prime (42006230155003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21003115077701 + 21003115077702.

It is an arithmetic number, because the mean of its divisors is an integer number (21003115077702).

Almost surely, 2^{42006230155403} is an apocalyptic number.

42006230155403 is a deficient number, since it is larger than the sum of its proper divisors (1).

42006230155403 is an equidigital number, since it uses as much as digits as its factorization.

42006230155403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 42006230155403 in words is "forty-two trillion, six billion, two hundred thirty million, one hundred fifty-five thousand, four hundred three".