36023720234 has 4 divisors (see below), whose sum is σ = 54035580354. Its totient is φ = 18011860116.

The previous prime is 36023720233. The next prime is 36023720237. The reversal of 36023720234 is 43202732063.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43202732063 = 647 ⋅66773929.

It can be written as a sum of positive squares in only one way, i.e., 36022901209 + 819025 = 189797^2 + 905^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 36023720234.

It is not an unprimeable number, because it can be changed into a prime (36023720233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9005930057 + ... + 9005930060.

Almost surely, 2^36023720234 is an apocalyptic number.

36023720234 is a deficient number, since it is larger than the sum of its proper divisors (18011860120).

36023720234 is a wasteful number, since it uses less digits than its factorization.

36023720234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18011860119.

The product of its (nonzero) digits is 36288, while the sum is 32.

The spelling of 36023720234 in words is "thirty-six billion, twenty-three million, seven hundred twenty thousand, two hundred thirty-four".