36143239823 has 12 divisors (see below), whose sum is σ = 37346803560. Its totient is φ = 34959513456.

The previous prime is 36143239817. The next prime is 36143239837. The reversal of 36143239823 is 32893234163.

It is not a de Polignac number, because 36143239823 - 2¹⁸ = 36142977679 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36143239423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 416573 + ... + 495801.

It is an arithmetic number, because the mean of its divisors is an integer number (3112233630).

Almost surely, 2^36143239823 is an apocalyptic number.

36143239823 is a deficient number, since it is larger than the sum of its proper divisors (1203563737).

36143239823 is an equidigital number, since it uses as much as digits as its factorization.

36143239823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79478 (or 79375 counting only the distinct ones).

The product of its digits is 559872, while the sum is 44.

The spelling of 36143239823 in words is "thirty-six billion, one hundred forty-three million, two hundred thirty-nine thousand, eight hundred twenty-three".