5631636023 has 16 divisors (see below), whose sum is σ = 6321756000. Its totient is φ = 4982414976.

The previous prime is 5631635981. The next prime is 5631636037. The reversal of 5631636023 is 3206361365.

It is a cyclic number.

It is not a de Polignac number, because 5631636023 - 2¹² = 5631631927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5631636823) 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, 55148 + ... + 119601.

It is an arithmetic number, because the mean of its divisors is an integer number (395109750).

Almost surely, 2^5631636023 is an apocalyptic number.

5631636023 is a deficient number, since it is larger than the sum of its proper divisors (690119977).

5631636023 is a wasteful number, since it uses less digits than its factorization.

5631636023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174866.

The product of its (nonzero) digits is 58320, while the sum is 35.

The square root of 5631636023 is about 75044.2271130831. The cubic root of 5631636023 is about 1779.1457440918.

Adding to 5631636023 its reverse (3206361365), we get a palindrome (8837997388).

The spelling of 5631636023 in words is "five billion, six hundred thirty-one million, six hundred thirty-six thousand, twenty-three".