123231550102 has 16 divisors (see below), whose sum is σ = 194884531200. Its totient is φ = 58280319720.

The previous prime is 123231550069. The next prime is 123231550133. The reversal of 123231550102 is 201055132321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2545702 + ... + 2593657.

It is an arithmetic number, because the mean of its divisors is an integer number (12180283200).

Almost surely, 2^123231550102 is an apocalyptic number.

123231550102 is a deficient number, since it is larger than the sum of its proper divisors (71652981098).

123231550102 is a wasteful number, since it uses less digits than its factorization.

123231550102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5140011.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 123231550102 its reverse (201055132321), we get a palindrome (324286682423).

The spelling of 123231550102 in words is "one hundred twenty-three billion, two hundred thirty-one million, five hundred fifty thousand, one hundred two".