512423330 has 64 divisors (see below), whose sum is σ = 992839680. Its totient is φ = 190041600.

The previous prime is 512423311. The next prime is 512423341. The reversal of 512423330 is 33324215.

It is a junction number, because it is equal to n+sod(n) for n = 512423296 and 512423305.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 843887 + ... + 844493.

It is an arithmetic number, because the mean of its divisors is an integer number (15513120).

Almost surely, 2^512423330 is an apocalyptic number.

512423330 is a deficient number, since it is larger than the sum of its proper divisors (480416350).

512423330 is a wasteful number, since it uses less digits than its factorization.

512423330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 512423330 is about 22636.7694249864. The cubic root of 512423330 is about 800.2204236362.

Adding to 512423330 its reverse (33324215), we get a palindrome (545747545).

The spelling of 512423330 in words is "five hundred twelve million, four hundred twenty-three thousand, three hundred thirty".