423013344534 has 72 divisors (see below), whose sum is σ = 1007918793336. Its totient is φ = 128122948800.

The previous prime is 423013344499. The next prime is 423013344547. The reversal of 423013344534 is 435443310324.

It is a happy number.

423013344534 is a `hidden beast` number, since 4 + 2 + 301 + 3 + 344 + 5 + 3 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4490154 + ... + 4583394.

Almost surely, 2^423013344534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423013344534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503959396668).

423013344534 is an abundant number, since it is smaller than the sum of its proper divisors (584905448802).

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

423013344534 is a wasteful number, since it uses less digits than its factorization.

423013344534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95354 (or 95340 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 36.

Adding to 423013344534 its reverse (435443310324), we get a palindrome (858456654858).

The spelling of 423013344534 in words is "four hundred twenty-three billion, thirteen million, three hundred forty-four thousand, five hundred thirty-four".