423670245 has 24 divisors (see below), whose sum is σ = 684544224. Its totient is φ = 223754976.

The previous prime is 423670241. The next prime is 423670259. The reversal of 423670245 is 542076324.

It is not a de Polignac number, because 423670245 - 2² = 423670241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423670241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170502 + ... + 172968.

It is an arithmetic number, because the mean of its divisors is an integer number (28522676).

Almost surely, 2^423670245 is an apocalyptic number.

It is an amenable number.

423670245 is a deficient number, since it is larger than the sum of its proper divisors (260873979).

423670245 is a wasteful number, since it uses less digits than its factorization.

423670245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689 (or 2582 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 423670245 is about 20583.2515652897. The cubic root of 423670245 is about 751.0623434137.

The spelling of 423670245 in words is "four hundred twenty-three million, six hundred seventy thousand, two hundred forty-five".