36631423 has 4 divisors (see below), whose sum is σ = 36666760. Its totient is φ = 36596088.

The previous prime is 36631417. The next prime is 36631451. The reversal of 36631423 is 32413663.

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 36631423 - 2⁵ = 36631391 is a prime.

It is a super-2 number, since 2×36631423² = 2683722302009858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36631391 and 36631400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36631403) 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, 16065 + ... + 18202.

It is an arithmetic number, because the mean of its divisors is an integer number (9166690).

Almost surely, 2^36631423 is an apocalyptic number.

36631423 is a deficient number, since it is larger than the sum of its proper divisors (35337).

36631423 is a wasteful number, since it uses less digits than its factorization.

36631423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35336.

The product of its digits is 7776, while the sum is 28.

The square root of 36631423 is about 6052.3898585600. The cubic root of 36631423 is about 332.1120218824.

The spelling of 36631423 in words is "thirty-six million, six hundred thirty-one thousand, four hundred twenty-three".