234131423240 has 96 divisors (see below), whose sum is σ = 623581602840. Its totient is φ = 78589547520.

The previous prime is 234131423153. The next prime is 234131423287. The reversal of 234131423240 is 42324131432.

It can be written as a sum of positive squares in 4 ways, for example, as 208331996356 + 25799426884 = 456434^2 + 160622^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1797629 + ... + 1923468.

Almost surely, 2^234131423240 is an apocalyptic number.

234131423240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234131423240 is an abundant number, since it is smaller than the sum of its proper divisors (389450179600).

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

234131423240 is a wasteful number, since it uses less digits than its factorization.

234131423240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3721143 (or 3721128 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 234131423240 its reverse (42324131432), we get a palindrome (276455554672).

The spelling of 234131423240 in words is "two hundred thirty-four billion, one hundred thirty-one million, four hundred twenty-three thousand, two hundred forty".