36729123823 has 16 divisors (see below), whose sum is σ = 42191170560. Its totient is φ = 31321044000.

The previous prime is 36729123799. The next prime is 36729123833. The reversal of 36729123823 is 32832192763.

It is a cyclic number.

It is not a de Polignac number, because 36729123823 - 2⁹ = 36729123311 is a prime.

It is a super-2 number, since 2×36729123823² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36729123833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2318058 + ... + 2333848.

It is an arithmetic number, because the mean of its divisors is an integer number (2636948160).

Almost surely, 2^36729123823 is an apocalyptic number.

36729123823 is a deficient number, since it is larger than the sum of its proper divisors (5462046737).

36729123823 is a wasteful number, since it uses less digits than its factorization.

36729123823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17478.

The product of its digits is 653184, while the sum is 46.

The spelling of 36729123823 in words is "thirty-six billion, seven hundred twenty-nine million, one hundred twenty-three thousand, eight hundred twenty-three".