423945475 has 12 divisors (see below), whose sum is σ = 529709400. Its totient is φ = 336564800.

The previous prime is 423945469. The next prime is 423945479. The reversal of 423945475 is 574549324.

It is not a de Polignac number, because 423945475 - 2⁵ = 423945443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423945479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61450 + ... + 67999.

It is an arithmetic number, because the mean of its divisors is an integer number (44142450).

Almost surely, 2^423945475 is an apocalyptic number.

423945475 is a deficient number, since it is larger than the sum of its proper divisors (105763925).

423945475 is a wasteful number, since it uses less digits than its factorization.

423945475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129590 (or 129585 counting only the distinct ones).

The product of its digits is 604800, while the sum is 43.

The square root of 423945475 is about 20589.9362553651. The cubic root of 423945475 is about 751.2249464007.

The spelling of 423945475 in words is "four hundred twenty-three million, nine hundred forty-five thousand, four hundred seventy-five".