423503142435445 has 16 divisors (see below), whose sum is σ = 531147915592560. Its totient is φ = 323747300911104.

The previous prime is 423503142435433. The next prime is 423503142435497. The reversal of 423503142435445 is 544534241305324.

It can be written as a sum of positive squares in 8 ways, for example, as 5851710978961 + 417651431456484 = 2419031^2 + 20436522^2 .

It is a cyclic number.

It is not a de Polignac number, because 423503142435445 - 2²¹ = 423503140338293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15055198962 + ... + 15055227091.

It is an arithmetic number, because the mean of its divisors is an integer number (33196744724535).

Almost surely, 2^{423503142435445} is an apocalyptic number.

It is an amenable number.

423503142435445 is a deficient number, since it is larger than the sum of its proper divisors (107644773157115).

423503142435445 is a wasteful number, since it uses less digits than its factorization.

423503142435445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30110426184.

The product of its (nonzero) digits is 13824000, while the sum is 49.

The spelling of 423503142435445 in words is "four hundred twenty-three trillion, five hundred three billion, one hundred forty-two million, four hundred thirty-five thousand, four hundred forty-five".