21123323413114 has 16 divisors (see below), whose sum is σ = 34220063291400. Its totient is φ = 9721291440960.

The previous prime is 21123323413097. The next prime is 21123323413177. The reversal of 21123323413114 is 41131432332112.

It can be written as a sum of positive squares in 4 ways, for example, as 17925782193225 + 3197541219889 = 4233885^2 + 1788167^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1163938657 + ... + 1163956804.

Almost surely, 2^{21123323413114} is an apocalyptic number.

21123323413114 is a deficient number, since it is larger than the sum of its proper divisors (13096739878286).

21123323413114 is a wasteful number, since it uses less digits than its factorization.

21123323413114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327895825.

The product of its digits is 10368, while the sum is 31.

Adding to 21123323413114 its reverse (41131432332112), we get a palindrome (62254755745226).

The spelling of 21123323413114 in words is "twenty-one trillion, one hundred twenty-three billion, three hundred twenty-three million, four hundred thirteen thousand, one hundred fourteen".