423254864 has 20 divisors (see below), whose sum is σ = 821355540. Its totient is φ = 211292160.

The previous prime is 423254837. The next prime is 423254869. The reversal of 423254864 is 468452324.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 164044864 + 259210000 = 12808^2 + 16100^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423254869) 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, 10379 + ... + 30890.

It is an arithmetic number, because the mean of its divisors is an integer number (41067777).

Almost surely, 2^423254864 is an apocalyptic number.

It is an amenable number.

423254864 is a deficient number, since it is larger than the sum of its proper divisors (398100676).

423254864 is a wasteful number, since it uses less digits than its factorization.

423254864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41918 (or 41912 counting only the distinct ones).

The product of its digits is 184320, while the sum is 38.

The square root of 423254864 is about 20573.1588240601. The cubic root of 423254864 is about 750.8168072967.

The spelling of 423254864 in words is "four hundred twenty-three million, two hundred fifty-four thousand, eight hundred sixty-four".