123545263211 has 2 divisors, whose sum is σ = 123545263212. Its totient is φ = 123545263210.

The previous prime is 123545263199. The next prime is 123545263229. The reversal of 123545263211 is 112362545321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123545263211 - 2⁶ = 123545263147 is a prime.

It is not a weakly prime, because it can be changed into another prime (123545263241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61772631605 + 61772631606.

It is an arithmetic number, because the mean of its divisors is an integer number (61772631606).

Almost surely, 2^123545263211 is an apocalyptic number.

123545263211 is a deficient number, since it is larger than the sum of its proper divisors (1).

123545263211 is an equidigital number, since it uses as much as digits as its factorization.

123545263211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 35.

The spelling of 123545263211 in words is "one hundred twenty-three billion, five hundred forty-five million, two hundred sixty-three thousand, two hundred eleven".