21214310132023 has 16 divisors (see below), whose sum is σ = 22365327273120. Its totient is φ = 20091446187904.

The previous prime is 21214310132009. The next prime is 21214310132083. The reversal of 21214310132023 is 32023101341212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21214310132023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21214310132083) 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, 4682640 + ... + 8022202.

It is an arithmetic number, because the mean of its divisors is an integer number (1397832954570).

Almost surely, 2^{21214310132023} is an apocalyptic number.

21214310132023 is a deficient number, since it is larger than the sum of its proper divisors (1151017141097).

21214310132023 is a wasteful number, since it uses less digits than its factorization.

21214310132023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3343778.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 21214310132023 its reverse (32023101341212), we get a palindrome (53237411473235).

The spelling of 21214310132023 in words is "twenty-one trillion, two hundred fourteen billion, three hundred ten million, one hundred thirty-two thousand, twenty-three".