123432433211 has 4 divisors (see below), whose sum is σ = 123434320800. Its totient is φ = 123430545624.

The previous prime is 123432433193. The next prime is 123432433231. The reversal of 123432433211 is 112334234321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123432433211 - 2¹⁰ = 123432432187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123432433231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842051 + ... + 977708.

It is an arithmetic number, because the mean of its divisors is an integer number (30858580200).

Almost surely, 2^123432433211 is an apocalyptic number.

123432433211 is a deficient number, since it is larger than the sum of its proper divisors (1887589).

123432433211 is an equidigital number, since it uses as much as digits as its factorization.

123432433211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887588.

The product of its digits is 10368, while the sum is 29.

Adding to 123432433211 its reverse (112334234321), we get a palindrome (235766667532).

The spelling of 123432433211 in words is "one hundred twenty-three billion, four hundred thirty-two million, four hundred thirty-three thousand, two hundred eleven".