234323143531 has 8 divisors (see below), whose sum is σ = 235751344128. Its totient is φ = 232897041000.

The previous prime is 234323143519. The next prime is 234323143541. The reversal of 234323143531 is 135341323432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 234323143531 - 2⁷ = 234323143403 is a prime.

It is a super-2 number, since 2×234323143531² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234323143541) 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, 300175 + ... + 747496.

It is an arithmetic number, because the mean of its divisors is an integer number (29468918016).

Almost surely, 2^234323143531 is an apocalyptic number.

234323143531 is a deficient number, since it is larger than the sum of its proper divisors (1428200597).

234323143531 is a wasteful number, since it uses less digits than its factorization.

234323143531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049033.

The product of its digits is 77760, while the sum is 34.

Adding to 234323143531 its reverse (135341323432), we get a palindrome (369664466963).

The spelling of 234323143531 in words is "two hundred thirty-four billion, three hundred twenty-three million, one hundred forty-three thousand, five hundred thirty-one".