423421342230312 has 96 divisors (see below), whose sum is σ = 1190297945098080. Its totient is φ = 141014765073600.

The previous prime is 423421342230283. The next prime is 423421342230371. The reversal of 423421342230312 is 213032243124324.

423421342230312 is a `hidden beast` number, since 4 + 2 + 3 + 4 + 2 + 1 + 342 + 2 + 303 + 1 + 2 = 666.

It is a super-2 number, since 2×423421342230312² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94793439 + ... + 99159662.

It is an arithmetic number, because the mean of its divisors is an integer number (12398936928105).

Almost surely, 2^{423421342230312} is an apocalyptic number.

It is an amenable number.

423421342230312 is an abundant number, since it is smaller than the sum of its proper divisors (766876602867768).

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

423421342230312 is a wasteful number, since it uses less digits than its factorization.

423421342230312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193954245 (or 193954229 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 423421342230312 its reverse (213032243124324), we get a palindrome (636453585354636).

The spelling of 423421342230312 in words is "four hundred twenty-three trillion, four hundred twenty-one billion, three hundred forty-two million, two hundred thirty thousand, three hundred twelve".