21011402314023 has 16 divisors (see below), whose sum is σ = 30562369673472. Its totient is φ = 12734045744000.

The previous prime is 21011402313947. The next prime is 21011402314027. The reversal of 21011402314023 is 32041320411012.

It is a cyclic number.

It is not a de Polignac number, because 21011402314023 - 2¹⁷ = 21011402182951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21011402313984 and 21011402314002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21011402314027) 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, 290898 + ... + 6489023.

It is an arithmetic number, because the mean of its divisors is an integer number (1910148104592).

Almost surely, 2^{21011402314023} is an apocalyptic number.

21011402314023 is a deficient number, since it is larger than the sum of its proper divisors (9550967359449).

21011402314023 is a wasteful number, since it uses less digits than its factorization.

21011402314023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6873846.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 21011402314023 its reverse (32041320411012), we get a palindrome (53052722725035).

The spelling of 21011402314023 in words is "twenty-one trillion, eleven billion, four hundred two million, three hundred fourteen thousand, twenty-three".