234532126531999 has 4 divisors (see below), whose sum is σ = 234532817043664. Its totient is φ = 234531436020336.

The previous prime is 234532126531987. The next prime is 234532126532023. The reversal of 234532126531999 is 999135621235432.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 234532126531999 - 2¹⁷ = 234532126400927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 234532126531999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234532126535999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344746107 + ... + 345425740.

It is an arithmetic number, because the mean of its divisors is an integer number (58633204260916).

Almost surely, 2^{234532126531999} is an apocalyptic number.

234532126531999 is a deficient number, since it is larger than the sum of its proper divisors (690511665).

234532126531999 is an equidigital number, since it uses as much as digits as its factorization.

234532126531999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690511664.

The product of its digits is 94478400, while the sum is 64.

The spelling of 234532126531999 in words is "two hundred thirty-four trillion, five hundred thirty-two billion, one hundred twenty-six million, five hundred thirty-one thousand, nine hundred ninety-nine".