21232503367 has 2 divisors, whose sum is σ = 21232503368. Its totient is φ = 21232503366.

The previous prime is 21232503361. The next prime is 21232503389. The reversal of 21232503367 is 76330523212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21232503367 - 2¹⁵ = 21232470599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21232503361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10616251683 + 10616251684.

It is an arithmetic number, because the mean of its divisors is an integer number (10616251684).

Almost surely, 2^21232503367 is an apocalyptic number.

21232503367 is a deficient number, since it is larger than the sum of its proper divisors (1).

21232503367 is an equidigital number, since it uses as much as digits as its factorization.

21232503367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 34.

The spelling of 21232503367 in words is "twenty-one billion, two hundred thirty-two million, five hundred three thousand, three hundred sixty-seven".