21407316467023 has 2 divisors, whose sum is σ = 21407316467024. Its totient is φ = 21407316467022.

The previous prime is 21407316466981. The next prime is 21407316467063. The reversal of 21407316467023 is 32076461370412.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21407316467023 - 2³³ = 21398726532431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21407316467063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10703658233511 + 10703658233512.

It is an arithmetic number, because the mean of its divisors is an integer number (10703658233512).

Almost surely, 2^{21407316467023} is an apocalyptic number.

21407316467023 is a deficient number, since it is larger than the sum of its proper divisors (1).

21407316467023 is an equidigital number, since it uses as much as digits as its factorization.

21407316467023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 21407316467023 in words is "twenty-one trillion, four hundred seven billion, three hundred sixteen million, four hundred sixty-seven thousand, twenty-three".