23989211401 has 2 divisors, whose sum is σ = 23989211402. Its totient is φ = 23989211400.

The previous prime is 23989211357. The next prime is 23989211473. The reversal of 23989211401 is 10411298932.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13864827001 + 10124384400 = 117749^2 + 100620^2 .

It is a cyclic number.

It is not a de Polignac number, because 23989211401 - 2¹⁹ = 23988687113 is a prime.

It is not a weakly prime, because it can be changed into another prime (23989211801) 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, 11994605700 + 11994605701.

It is an arithmetic number, because the mean of its divisors is an integer number (11994605701).

Almost surely, 2^23989211401 is an apocalyptic number.

It is an amenable number.

23989211401 is a deficient number, since it is larger than the sum of its proper divisors (1).

23989211401 is an equidigital number, since it uses as much as digits as its factorization.

23989211401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 23989211401 in words is "twenty-three billion, nine hundred eighty-nine million, two hundred eleven thousand, four hundred one".