36020406523 has 4 divisors (see below), whose sum is σ = 36135488008. Its totient is φ = 35905325040.

The previous prime is 36020406503. The next prime is 36020406547. The reversal of 36020406523 is 32560402063.

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 36020406523 - 2¹⁷ = 36020275451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36020406503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57540273 + ... + 57540898.

It is an arithmetic number, because the mean of its divisors is an integer number (9033872002).

Almost surely, 2^36020406523 is an apocalyptic number.

36020406523 is a deficient number, since it is larger than the sum of its proper divisors (115081485).

36020406523 is a wasteful number, since it uses less digits than its factorization.

36020406523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115081484.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 36020406523 its reverse (32560402063), we get a palindrome (68580808586).

The spelling of 36020406523 in words is "thirty-six billion, twenty million, four hundred six thousand, five hundred twenty-three".