123320231102 has 4 divisors (see below), whose sum is σ = 184980346656. Its totient is φ = 61660115550.

The previous prime is 123320231081. The next prime is 123320231107. The reversal of 123320231102 is 201132023321.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123320231107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30830057774 + ... + 30830057777.

It is an arithmetic number, because the mean of its divisors is an integer number (46245086664).

Almost surely, 2^123320231102 is an apocalyptic number.

123320231102 is a deficient number, since it is larger than the sum of its proper divisors (61660115554).

123320231102 is an equidigital number, since it uses as much as digits as its factorization.

123320231102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61660115553.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123320231102 its reverse (201132023321), we get a palindrome (324452254423).

The spelling of 123320231102 in words is "one hundred twenty-three billion, three hundred twenty million, two hundred thirty-one thousand, one hundred two".