23403220033636 has 6 divisors (see below), whose sum is σ = 40955635058870. Its totient is φ = 11701610016816.

The previous prime is 23403220033619. The next prime is 23403220033679. The reversal of 23403220033636 is 63633002230432.

It can be written as a sum of positive squares in only one way, i.e., 20404282752100 + 2998937281536 = 4517110^2 + 1731744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23403220033595 and 23403220033604.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2925402504201 + ... + 2925402504208.

Almost surely, 2^{23403220033636} is an apocalyptic number.

It is an amenable number.

23403220033636 is a deficient number, since it is larger than the sum of its proper divisors (17552415025234).

23403220033636 is a wasteful number, since it uses less digits than its factorization.

23403220033636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5850805008413 (or 5850805008411 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 37.

The spelling of 23403220033636 in words is "twenty-three trillion, four hundred three billion, two hundred twenty million, thirty-three thousand, six hundred thirty-six".