21410212323 has 16 divisors (see below), whose sum is σ = 28784783360. Its totient is φ = 14154660576.

The previous prime is 21410212297. The next prime is 21410212337. The reversal of 21410212323 is 32321201412.

It is not a de Polignac number, because 21410212323 - 2⁹ = 21410211811 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 21410212323.

It is not an unprimeable number, because it can be changed into a prime (21410210323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 916968 + ... + 940026.

It is an arithmetic number, because the mean of its divisors is an integer number (1799048960).

Almost surely, 2^21410212323 is an apocalyptic number.

21410212323 is a deficient number, since it is larger than the sum of its proper divisors (7374571037).

21410212323 is a wasteful number, since it uses less digits than its factorization.

21410212323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25626.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21410212323 its reverse (32321201412), we get a palindrome (53731413735).

The spelling of 21410212323 in words is "twenty-one billion, four hundred ten million, two hundred twelve thousand, three hundred twenty-three".