234420421312 has 56 divisors (see below), whose sum is σ = 579962223360. Its totient is φ = 91332629760.

The previous prime is 234420421297. The next prime is 234420421349. The reversal of 234420421312 is 213124024432.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23779612 + ... + 23789467.

Almost surely, 2^234420421312 is an apocalyptic number.

234420421312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

234420421312 is an abundant number, since it is smaller than the sum of its proper divisors (345541802048).

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

234420421312 is a wasteful number, since it uses less digits than its factorization.

234420421312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47569109 (or 47569099 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 234420421312 its reverse (213124024432), we get a palindrome (447544445744).

The spelling of 234420421312 in words is "two hundred thirty-four billion, four hundred twenty million, four hundred twenty-one thousand, three hundred twelve".