36423561 has 16 divisors (see below), whose sum is σ = 49719744. Its totient is φ = 23709504.

The previous prime is 36423557. The next prime is 36423587. The reversal of 36423561 is 16532463.

36423561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36423561 - 2² = 36423557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36423521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43630 + ... + 44456.

It is an arithmetic number, because the mean of its divisors is an integer number (3107484).

Almost surely, 2^36423561 is an apocalyptic number.

It is an amenable number.

36423561 is a deficient number, since it is larger than the sum of its proper divisors (13296183).

36423561 is a wasteful number, since it uses less digits than its factorization.

36423561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160.

The product of its digits is 12960, while the sum is 30.

The square root of 36423561 is about 6035.1935345936. The cubic root of 36423561 is about 331.4826491423.

The spelling of 36423561 in words is "thirty-six million, four hundred twenty-three thousand, five hundred sixty-one".