423553250 has 16 divisors (see below), whose sum is σ = 792892152. Its totient is φ = 169421200.

The previous prime is 423553199. The next prime is 423553259. The reversal of 423553250 is 52355324.

It can be written as a sum of positive squares in 4 ways, for example, as 256032001 + 167521249 = 16001^2 + 12943^2 .

It is not an unprimeable number, because it can be changed into a prime (423553259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846857 + ... + 847356.

Almost surely, 2^423553250 is an apocalyptic number.

423553250 is a deficient number, since it is larger than the sum of its proper divisors (369338902).

423553250 is a wasteful number, since it uses less digits than its factorization.

423553250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694230 (or 1694220 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 423553250 is about 20580.4093739653. The cubic root of 423553250 is about 750.9932026692.

The spelling of 423553250 in words is "four hundred twenty-three million, five hundred fifty-three thousand, two hundred fifty".