23221400311 has 2 divisors, whose sum is σ = 23221400312. Its totient is φ = 23221400310.

The previous prime is 23221400287. The next prime is 23221400317. The reversal of 23221400311 is 11300412232.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23221400311 - 2¹⁹ = 23220876023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23221400317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11610700155 + 11610700156.

It is an arithmetic number, because the mean of its divisors is an integer number (11610700156).

Almost surely, 2^23221400311 is an apocalyptic number.

23221400311 is a deficient number, since it is larger than the sum of its proper divisors (1).

23221400311 is an equidigital number, since it uses as much as digits as its factorization.

23221400311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23221400311 its reverse (11300412232), we get a palindrome (34521812543).

The spelling of 23221400311 in words is "twenty-three billion, two hundred twenty-one million, four hundred thousand, three hundred eleven".