234311420 has 96 divisors (see below), whose sum is σ = 602380800. Its totient is φ = 74767104.

The previous prime is 234311347. The next prime is 234311437. The reversal of 234311420 is 24113432.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 234311392 and 234311401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156194 + ... + 157686.

It is an arithmetic number, because the mean of its divisors is an integer number (6274800).

Almost surely, 2^234311420 is an apocalyptic number.

234311420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234311420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301190400).

234311420 is an abundant number, since it is smaller than the sum of its proper divisors (368069380).

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

234311420 is a wasteful number, since it uses less digits than its factorization.

234311420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587 (or 1585 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 234311420 is about 15307.2342374447. The cubic root of 234311420 is about 616.4972618023.

Adding to 234311420 its reverse (24113432), we get a palindrome (258424852).

The spelling of 234311420 in words is "two hundred thirty-four million, three hundred eleven thousand, four hundred twenty".