423204612534 has 48 divisors (see below), whose sum is σ = 1011541199760. Its totient is φ = 126802874880.

The previous prime is 423204612533. The next prime is 423204612539. The reversal of 423204612534 is 435216402324.

423204612534 is a `hidden beast` number, since 4 + 2 + 3 + 2 + 0 + 4 + 612 + 5 + 34 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423204612533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11990227 + ... + 12025470.

It is an arithmetic number, because the mean of its divisors is an integer number (21073774995).

Almost surely, 2^423204612534 is an apocalyptic number.

423204612534 is an abundant number, since it is smaller than the sum of its proper divisors (588336587226).

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

423204612534 is a wasteful number, since it uses less digits than its factorization.

423204612534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24015805 (or 24015802 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 423204612534 in words is "four hundred twenty-three billion, two hundred four million, six hundred twelve thousand, five hundred thirty-four".