423149800 has 24 divisors (see below), whose sum is σ = 983823750. Its totient is φ = 169259840.

The previous prime is 423149717. The next prime is 423149801. The reversal of 423149800 is 8941324.

It can be written as a sum of positive squares in 3 ways, for example, as 264843076 + 158306724 = 16274^2 + 12582^2 .

It is not an unprimeable number, because it can be changed into a prime (423149801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1057675 + ... + 1058074.

Almost surely, 2^423149800 is an apocalyptic number.

423149800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423149800 is an abundant number, since it is smaller than the sum of its proper divisors (560673950).

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

423149800 is a wasteful number, since it uses less digits than its factorization.

423149800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115765 (or 2115756 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 423149800 is about 20570.6052414604. The cubic root of 423149800 is about 750.7546773984.

The spelling of 423149800 in words is "four hundred twenty-three million, one hundred forty-nine thousand, eight hundred".