23021321223033 has 32 divisors (see below), whose sum is σ = 39559658065920. Its totient is φ = 12958696800720.

The previous prime is 23021321222993. The next prime is 23021321223053. The reversal of 23021321223033 is 33032212312032.

23021321223033 is a `hidden beast` number, since 2 + 3 + 0 + 213 + 212 + 230 + 3 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-23021321223033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 23021321222988 and 23021321223006.

It is not an unprimeable number, because it can be changed into a prime (23021321223053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 908986833 + ... + 909012158.

It is an arithmetic number, because the mean of its divisors is an integer number (1236239314560).

Almost surely, 2^{23021321223033} is an apocalyptic number.

It is an amenable number.

23021321223033 is a deficient number, since it is larger than the sum of its proper divisors (16538336842887).

23021321223033 is a wasteful number, since it uses less digits than its factorization.

23021321223033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817999074 (or 1817999068 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 23021321223033 its reverse (33032212312032), we get a palindrome (56053533535065).

The spelling of 23021321223033 in words is "twenty-three trillion, twenty-one billion, three hundred twenty-one million, two hundred twenty-three thousand, thirty-three".