123031143104 has 28 divisors (see below), whose sum is σ = 244348561848. Its totient is φ = 61463001600.

The previous prime is 123031143089. The next prime is 123031143161. The reversal of 123031143104 is 401341130321.

It is a self number, because there is not a number n which added to its sum of digits gives 123031143104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 745877 + ... + 895764.

Almost surely, 2^123031143104 is an apocalyptic number.

It is an amenable number.

123031143104 is a deficient number, since it is larger than the sum of its proper divisors (121317418744).

123031143104 is a wasteful number, since it uses less digits than its factorization.

123031143104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642824 (or 1642814 counting only the distinct ones).

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

Adding to 123031143104 its reverse (401341130321), we get a palindrome (524372273425).

The spelling of 123031143104 in words is "one hundred twenty-three billion, thirty-one million, one hundred forty-three thousand, one hundred four".