21733207300423 has 2 divisors, whose sum is σ = 21733207300424. Its totient is φ = 21733207300422.

The previous prime is 21733207300421. The next prime is 21733207300451. The reversal of 21733207300423 is 32400370233712.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21733207300423 - 2¹ = 21733207300421 is a prime.

Together with 21733207300421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21733207300421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10866603650211 + 10866603650212.

It is an arithmetic number, because the mean of its divisors is an integer number (10866603650212).

Almost surely, 2^{21733207300423} is an apocalyptic number.

21733207300423 is a deficient number, since it is larger than the sum of its proper divisors (1).

21733207300423 is an equidigital number, since it uses as much as digits as its factorization.

21733207300423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 37.

The spelling of 21733207300423 in words is "twenty-one trillion, seven hundred thirty-three billion, two hundred seven million, three hundred thousand, four hundred twenty-three".