123031033242 has 32 divisors (see below), whose sum is σ = 267613597440. Its totient is φ = 37480891200.

The previous prime is 123031033207. The next prime is 123031033271. The reversal of 123031033242 is 242330130321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7800642 + ... + 7816397.

It is an arithmetic number, because the mean of its divisors is an integer number (8362924920).

Almost surely, 2^123031033242 is an apocalyptic number.

123031033242 is an abundant number, since it is smaller than the sum of its proper divisors (144582564198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123031033242 is a wasteful number, since it uses less digits than its factorization.

123031033242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15617158.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 123031033242 its reverse (242330130321), we get a palindrome (365361163563).

The spelling of 123031033242 in words is "one hundred twenty-three billion, thirty-one million, thirty-three thousand, two hundred forty-two".