421323342 has 32 divisors (see below), whose sum is σ = 973327104. Its totient is φ = 120163200.

The previous prime is 421323337. The next prime is 421323349. The reversal of 421323342 is 243323124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421323349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186634 + ... + 188877.

It is an arithmetic number, because the mean of its divisors is an integer number (30416472).

Almost surely, 2^421323342 is an apocalyptic number.

421323342 is an abundant number, since it is smaller than the sum of its proper divisors (552003762).

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

421323342 is a wasteful number, since it uses less digits than its factorization.

421323342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375544.

The product of its digits is 3456, while the sum is 24.

The square root of 421323342 is about 20526.1623787789. The cubic root of 421323342 is about 749.6729489598.

Adding to 421323342 its reverse (243323124), we get a palindrome (664646466).

The spelling of 421323342 in words is "four hundred twenty-one million, three hundred twenty-three thousand, three hundred forty-two".