23409484552211 has 2 divisors, whose sum is σ = 23409484552212. Its totient is φ = 23409484552210.

The previous prime is 23409484552189. The next prime is 23409484552261. The reversal of 23409484552211 is 11225548490432.

It is an a-pointer prime, because the next prime (23409484552261) can be obtained adding 23409484552211 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23409484552211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23409484552211.

It is not a weakly prime, because it can be changed into another prime (23409484552261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11704742276105 + 11704742276106.

It is an arithmetic number, because the mean of its divisors is an integer number (11704742276106).

Almost surely, 2^{23409484552211} is an apocalyptic number.

23409484552211 is a deficient number, since it is larger than the sum of its proper divisors (1).

23409484552211 is an equidigital number, since it uses as much as digits as its factorization.

23409484552211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2764800, while the sum is 50.

The spelling of 23409484552211 in words is "twenty-three trillion, four hundred nine billion, four hundred eighty-four million, five hundred fifty-two thousand, two hundred eleven".