21463746323 has 2 divisors, whose sum is σ = 21463746324. Its totient is φ = 21463746322.

The previous prime is 21463746277. The next prime is 21463746331. The reversal of 21463746323 is 32364736412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21463746323 - 2¹⁰ = 21463745299 is a prime.

It is not a weakly prime, because it can be changed into another prime (21463746383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10731873161 + 10731873162.

It is an arithmetic number, because the mean of its divisors is an integer number (10731873162).

Almost surely, 2^21463746323 is an apocalyptic number.

21463746323 is a deficient number, since it is larger than the sum of its proper divisors (1).

21463746323 is an equidigital number, since it uses as much as digits as its factorization.

21463746323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 41.

The spelling of 21463746323 in words is "twenty-one billion, four hundred sixty-three million, seven hundred forty-six thousand, three hundred twenty-three".