123123143102 has 32 divisors (see below), whose sum is σ = 188627165184. Its totient is φ = 60257973600.

The previous prime is 123123143071. The next prime is 123123143107. The reversal of 123123143102 is 201341321321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123123143107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24509363 + ... + 24514385.

It is an arithmetic number, because the mean of its divisors is an integer number (5894598912).

Almost surely, 2^123123143102 is an apocalyptic number.

123123143102 is a deficient number, since it is larger than the sum of its proper divisors (65504022082).

123123143102 is a wasteful number, since it uses less digits than its factorization.

123123143102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6024.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 123123143102 its reverse (201341321321), we get a palindrome (324464464423).

The spelling of 123123143102 in words is "one hundred twenty-three billion, one hundred twenty-three million, one hundred forty-three thousand, one hundred two".