423515490 has 32 divisors (see below), whose sum is σ = 1049227776. Its totient is φ = 109294080.

The previous prime is 423515473. The next prime is 423515539. The reversal of 423515490 is 94515324.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226767 + ... + 228626.

It is an arithmetic number, because the mean of its divisors is an integer number (32788368).

Almost surely, 2^423515490 is an apocalyptic number.

423515490 is an abundant number, since it is smaller than the sum of its proper divisors (625712286).

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

423515490 is a wasteful number, since it uses less digits than its factorization.

423515490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455434.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 423515490 is about 20579.4919762369. The cubic root of 423515490 is about 750.9708848567.

The spelling of 423515490 in words is "four hundred twenty-three million, five hundred fifteen thousand, four hundred ninety".