120031033123 has 2 divisors, whose sum is σ = 120031033124. Its totient is φ = 120031033122.

The previous prime is 120031033027. The next prime is 120031033139. The reversal of 120031033123 is 321330130021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120031033123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120031033123.

It is not a weakly prime, because it can be changed into another prime (120031030123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60015516561 + 60015516562.

It is an arithmetic number, because the mean of its divisors is an integer number (60015516562).

Almost surely, 2^120031033123 is an apocalyptic number.

120031033123 is a deficient number, since it is larger than the sum of its proper divisors (1).

120031033123 is an equidigital number, since it uses as much as digits as its factorization.

120031033123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 120031033123 its reverse (321330130021), we get a palindrome (441361163144).

The spelling of 120031033123 in words is "one hundred twenty billion, thirty-one million, thirty-three thousand, one hundred twenty-three".