123323021550211 has 32 divisors (see below), whose sum is σ = 143769266454528. Its totient is φ = 103606781870880.

The previous prime is 123323021550149. The next prime is 123323021550257. The reversal of 123323021550211 is 112055120323321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 123323021550211 - 2²¹ = 123323019453059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123323021550011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84368506 + ... + 85817776.

It is an arithmetic number, because the mean of its divisors is an integer number (4492789576704).

Almost surely, 2^{123323021550211} is an apocalyptic number.

123323021550211 is a deficient number, since it is larger than the sum of its proper divisors (20446244904317).

123323021550211 is a wasteful number, since it uses less digits than its factorization.

123323021550211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450591.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 123323021550211 its reverse (112055120323321), we get a palindrome (235378141873532).

The spelling of 123323021550211 in words is "one hundred twenty-three trillion, three hundred twenty-three billion, twenty-one million, five hundred fifty thousand, two hundred eleven".