423498375 has 80 divisors (see below), whose sum is σ = 797624256. Its totient is φ = 223560000.

The previous prime is 423498371. The next prime is 423498377. The reversal of 423498375 is 573894324.

It is not a de Polignac number, because 423498375 - 2² = 423498371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 423498375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423498371) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1528737 + ... + 1529013.

Almost surely, 2^423498375 is an apocalyptic number.

423498375 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

423498375 is a deficient number, since it is larger than the sum of its proper divisors (374125881).

423498375 is a wasteful number, since it uses less digits than its factorization.

423498375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 436 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 423498375 is about 20579.0761454444. The cubic root of 423498375 is about 750.9607687058.

The spelling of 423498375 in words is "four hundred twenty-three million, four hundred ninety-eight thousand, three hundred seventy-five".