42345456542003 has 16 divisors (see below), whose sum is σ = 43564314545856. Its totient is φ = 41142168612480.

The previous prime is 42345456541991. The next prime is 42345456542017. The reversal of 42345456542003 is 30024565454324.

It is a cyclic number.

It is not a de Polignac number, because 42345456542003 - 2³² = 42341161574707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42345456542033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393414533 + ... + 393522153.

It is an arithmetic number, because the mean of its divisors is an integer number (2722769659116).

Almost surely, 2^{42345456542003} is an apocalyptic number.

42345456542003 is a deficient number, since it is larger than the sum of its proper divisors (1218858003853).

42345456542003 is a wasteful number, since it uses less digits than its factorization.

42345456542003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179854.

The product of its (nonzero) digits is 6912000, while the sum is 47.

The spelling of 42345456542003 in words is "forty-two trillion, three hundred forty-five billion, four hundred fifty-six million, five hundred forty-two thousand, three".