23136403863 has 8 divisors (see below), whose sum is σ = 30849512176. Its totient is φ = 15423782400.

The previous prime is 23136403837. The next prime is 23136403877. The reversal of 23136403863 is 36830463132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23136403863 - 2¹⁴ = 23136387479 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 (23136403463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9333 + ... + 215313.

It is an arithmetic number, because the mean of its divisors is an integer number (3856189022).

Almost surely, 2^23136403863 is an apocalyptic number.

23136403863 is a deficient number, since it is larger than the sum of its proper divisors (7713108313).

23136403863 is a wasteful number, since it uses less digits than its factorization.

23136403863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243425.

The product of its (nonzero) digits is 186624, while the sum is 39.

Adding to 23136403863 its reverse (36830463132), we get a palindrome (59966866995).

The spelling of 23136403863 in words is "twenty-three billion, one hundred thirty-six million, four hundred three thousand, eight hundred sixty-three".