21022023303 has 12 divisors (see below), whose sum is σ = 30368115960. Its totient is φ = 14013310896.

The previous prime is 21022023283. The next prime is 21022023317. The reversal of 21022023303 is 30332022012.

It is a happy number.

21022023303 is a `hidden beast` number, since 210 + 220 + 233 + 0 + 3 = 666.

It is not a de Polignac number, because 21022023303 - 2²⁸ = 20753587847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022023343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12408 + ... + 205421.

It is an arithmetic number, because the mean of its divisors is an integer number (2530676330).

Almost surely, 2^21022023303 is an apocalyptic number.

21022023303 is a deficient number, since it is larger than the sum of its proper divisors (9346092657).

21022023303 is a wasteful number, since it uses less digits than its factorization.

21022023303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228558 (or 228555 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 21022023303 its reverse (30332022012), we get a palindrome (51354045315).

The spelling of 21022023303 in words is "twenty-one billion, twenty-two million, twenty-three thousand, three hundred three".