23211044400911 has 2 divisors, whose sum is σ = 23211044400912. Its totient is φ = 23211044400910.

The previous prime is 23211044400833. The next prime is 23211044400953. The reversal of 23211044400911 is 11900444011232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23211044400911 - 2¹⁸ = 23211044138767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23211044400961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605522200455 + 11605522200456.

It is an arithmetic number, because the mean of its divisors is an integer number (11605522200456).

Almost surely, 2^{23211044400911} is an apocalyptic number.

23211044400911 is a deficient number, since it is larger than the sum of its proper divisors (1).

23211044400911 is an equidigital number, since it uses as much as digits as its factorization.

23211044400911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 23211044400911 in words is "twenty-three trillion, two hundred eleven billion, forty-four million, four hundred thousand, nine hundred eleven".