21200233323 has 8 divisors (see below), whose sum is σ = 29030950288. Its totient is φ = 13751502624.

The previous prime is 21200233291. The next prime is 21200233343. The reversal of 21200233323 is 32333200212.

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

It is not a de Polignac number, because 21200233323 - 2⁵ = 21200233291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21200233323.

It is not an unprimeable number, because it can be changed into a prime (21200233343) 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, 95496436 + ... + 95496657.

It is an arithmetic number, because the mean of its divisors is an integer number (3628868786).

Almost surely, 2^21200233323 is an apocalyptic number.

21200233323 is a deficient number, since it is larger than the sum of its proper divisors (7830716965).

21200233323 is a wasteful number, since it uses less digits than its factorization.

21200233323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190993133.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 21200233323 its reverse (32333200212), we get a palindrome (53533433535).

The spelling of 21200233323 in words is "twenty-one billion, two hundred million, two hundred thirty-three thousand, three hundred twenty-three".