423622512 has 60 divisors (see below), whose sum is σ = 1188804864. Its totient is φ = 140820480.

The previous prime is 423622501. The next prime is 423622543. The reversal of 423622512 is 215226324.

It is a happy number.

423622512 is a `hidden beast` number, since 4 + 23 + 622 + 5 + 12 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51312 + ... + 58992.

Almost surely, 2^423622512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423622512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (594402432).

423622512 is an abundant number, since it is smaller than the sum of its proper divisors (765182352).

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

423622512 is a wasteful number, since it uses less digits than its factorization.

423622512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8078 (or 8069 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 423622512 is about 20582.0920219496. The cubic root of 423622512 is about 751.0341360947.

Adding to 423622512 its reverse (215226324), we get a palindrome (638848836).

The spelling of 423622512 in words is "four hundred twenty-three million, six hundred twenty-two thousand, five hundred twelve".