423542125603 has 4 divisors (see below), whose sum is σ = 437204774848. Its totient is φ = 409879476360.

The previous prime is 423542125571. The next prime is 423542125613. The reversal of 423542125603 is 306521245324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423542125603 - 2⁵ = 423542125571 is a prime.

It is a super-2 number, since 2×423542125603² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423542125613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6831324576 + ... + 6831324637.

It is an arithmetic number, because the mean of its divisors is an integer number (109301193712).

Almost surely, 2^423542125603 is an apocalyptic number.

423542125603 is a deficient number, since it is larger than the sum of its proper divisors (13662649245).

423542125603 is a wasteful number, since it uses less digits than its factorization.

423542125603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13662649244.

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 423542125603 in words is "four hundred twenty-three billion, five hundred forty-two million, one hundred twenty-five thousand, six hundred three".