423745043572 has 12 divisors (see below), whose sum is σ = 746103237376. Its totient is φ = 210572690040.

The previous prime is 423745043507. The next prime is 423745043573. The reversal of 423745043572 is 275340547324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423745043573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324957204 + ... + 324958507.

Almost surely, 2^423745043572 is an apocalyptic number.

It is an amenable number.

423745043572 is a deficient number, since it is larger than the sum of its proper divisors (322358193804).

423745043572 is a wasteful number, since it uses less digits than its factorization.

423745043572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649915878 (or 649915876 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 46.

The spelling of 423745043572 in words is "four hundred twenty-three billion, seven hundred forty-five million, forty-three thousand, five hundred seventy-two".