21033200023 has 16 divisors (see below), whose sum is σ = 23081198112. Its totient is φ = 19008000000.

The previous prime is 21033200017. The next prime is 21033200029. The reversal of 21033200023 is 32000233012.

It is an interprime number because it is at equal distance from previous prime (21033200017) and next prime (21033200029).

It is not a de Polignac number, because 21033200023 - 2⁵ = 21033199991 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 (21033200029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3820773 + ... + 3826273.

It is an arithmetic number, because the mean of its divisors is an integer number (1442574882).

Almost surely, 2^21033200023 is an apocalyptic number.

21033200023 is a deficient number, since it is larger than the sum of its proper divisors (2047998089).

21033200023 is a wasteful number, since it uses less digits than its factorization.

21033200023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7506.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 21033200023 its reverse (32000233012), we get a palindrome (53033433035).

It can be divided in two parts, 210 and 33200023, that added together give a palindrome (33200233).

The spelling of 21033200023 in words is "twenty-one billion, thirty-three million, two hundred thousand, twenty-three".