423245670 has 32 divisors (see below), whose sum is σ = 1018376928. Its totient is φ = 112578048.

The previous prime is 423245659. The next prime is 423245671. The reversal of 423245670 is 76542324.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423245671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5859 + ... + 29678.

It is an arithmetic number, because the mean of its divisors is an integer number (31824279).

Almost surely, 2^423245670 is an apocalyptic number.

423245670 is an abundant number, since it is smaller than the sum of its proper divisors (595131258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423245670 is a wasteful number, since it uses less digits than its factorization.

423245670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35944.

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

The square root of 423245670 is about 20572.9353763628. The cubic root of 423245670 is about 750.8113708089.

Adding to 423245670 its reverse (76542324), we get a palindrome (499787994).

The spelling of 423245670 in words is "four hundred twenty-three million, two hundred forty-five thousand, six hundred seventy".