21300211023 has 32 divisors (see below), whose sum is σ = 35898917376. Its totient is φ = 10931614848.

The previous prime is 21300211001. The next prime is 21300211039. The reversal of 21300211023 is 32011200312.

It is not a de Polignac number, because 21300211023 - 2⁶ = 21300210959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21300210993 and 21300211011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21300211043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1044261 + ... + 1064462.

It is an arithmetic number, because the mean of its divisors is an integer number (1121841168).

Almost surely, 2^21300211023 is an apocalyptic number.

21300211023 is a deficient number, since it is larger than the sum of its proper divisors (14598706353).

21300211023 is a wasteful number, since it uses less digits than its factorization.

21300211023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108783.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21300211023 its reverse (32011200312), we get a palindrome (53311411335).

The spelling of 21300211023 in words is "twenty-one billion, three hundred million, two hundred eleven thousand, twenty-three".