120031001023 has 8 divisors (see below), whose sum is σ = 127155325392. Its totient is φ = 112913751936.

The previous prime is 120031001011. The next prime is 120031001081. The reversal of 120031001023 is 320100130021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-120031001023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120031000994 and 120031001012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120031001723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1733865 + ... + 1801762.

It is an arithmetic number, because the mean of its divisors is an integer number (15894415674).

Almost surely, 2^120031001023 is an apocalyptic number.

120031001023 is a deficient number, since it is larger than the sum of its proper divisors (7124324369).

120031001023 is a wasteful number, since it uses less digits than its factorization.

120031001023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3537641.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 120031001023 its reverse (320100130021), we get a palindrome (440131131044).

The spelling of 120031001023 in words is "one hundred twenty billion, thirty-one million, one thousand, twenty-three".