423340432342 has 8 divisors (see below), whose sum is σ = 662619807216. Its totient is φ = 202467163272.

The previous prime is 423340432321. The next prime is 423340432343. The reversal of 423340432342 is 243234043324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×423340432342² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423340432298 and 423340432307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423340432343) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4601526393 + ... + 4601526484.

It is an arithmetic number, because the mean of its divisors is an integer number (82827475902).

Almost surely, 2^423340432342 is an apocalyptic number.

423340432342 is a deficient number, since it is larger than the sum of its proper divisors (239279374874).

423340432342 is a wasteful number, since it uses less digits than its factorization.

423340432342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9203052902.

The product of its (nonzero) digits is 165888, while the sum is 34.

Adding to 423340432342 its reverse (243234043324), we get a palindrome (666574475666).

The spelling of 423340432342 in words is "four hundred twenty-three billion, three hundred forty million, four hundred thirty-two thousand, three hundred forty-two".