123032210111 has 4 divisors (see below), whose sum is σ = 123036853872. Its totient is φ = 123027566352.

The previous prime is 123032210099. The next prime is 123032210117. The reversal of 123032210111 is 111012230321.

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 123032210111 - 2⁶ = 123032210047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123032210111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123032210117) 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, 2281910 + ... + 2335203.

It is an arithmetic number, because the mean of its divisors is an integer number (30759213468).

Almost surely, 2^123032210111 is an apocalyptic number.

123032210111 is a deficient number, since it is larger than the sum of its proper divisors (4643761).

123032210111 is an equidigital number, since it uses as much as digits as its factorization.

123032210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4643760.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 123032210111 its reverse (111012230321), we get a palindrome (234044440432).

The spelling of 123032210111 in words is "one hundred twenty-three billion, thirty-two million, two hundred ten thousand, one hundred eleven".