423040202334 has 32 divisors (see below), whose sum is σ = 965497163040. Its totient is φ = 137202227136.

The previous prime is 423040202329. The next prime is 423040202353. The reversal of 423040202334 is 433202040324.

423040202334 is a `hidden beast` number, since 4 + 2 + 304 + 0 + 20 + 2 + 334 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 423040202298 and 423040202307.

It is a congruent number.

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, 105863919 + ... + 105867914.

It is an arithmetic number, because the mean of its divisors is an integer number (30171786345).

Almost surely, 2^423040202334 is an apocalyptic number.

423040202334 is an abundant number, since it is smaller than the sum of its proper divisors (542456960706).

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

423040202334 is a wasteful number, since it uses less digits than its factorization.

423040202334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211731881 (or 211731875 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 423040202334 its reverse (433202040324), we get a palindrome (856242242658).

The spelling of 423040202334 in words is "four hundred twenty-three billion, forty million, two hundred two thousand, three hundred thirty-four".