420323403342 has 16 divisors (see below), whose sum is σ = 848503320192. Its totient is φ = 138798382200.

The previous prime is 420323403337. The next prime is 420323403347. The reversal of 420323403342 is 243304323024.

It is an interprime number because it is at equal distance from previous prime (420323403337) and next prime (420323403347).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420323403347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327354034 + ... + 327355317.

It is an arithmetic number, because the mean of its divisors is an integer number (53031457512).

Almost surely, 2^420323403342 is an apocalyptic number.

420323403342 is an abundant number, since it is smaller than the sum of its proper divisors (428179916850).

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

420323403342 is a wasteful number, since it uses less digits than its factorization.

420323403342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654709463.

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 420323403342 its reverse (243304323024), we get a palindrome (663627726366).

The spelling of 420323403342 in words is "four hundred twenty billion, three hundred twenty-three million, four hundred three thousand, three hundred forty-two".