2031120123 has 8 divisors (see below), whose sum is σ = 2716704528. Its totient is φ = 1349807904.

The previous prime is 2031120109. The next prime is 2031120127. The reversal of 2031120123 is 3210211302.

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

It is not a de Polignac number, because 2031120123 - 2⁴ = 2031120107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2031120127) 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, 1066936 + ... + 1068837.

It is an arithmetic number, because the mean of its divisors is an integer number (339588066).

Almost surely, 2^2031120123 is an apocalyptic number.

2031120123 is a deficient number, since it is larger than the sum of its proper divisors (685584405).

2031120123 is a wasteful number, since it uses less digits than its factorization.

2031120123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136093.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2031120123 is about 45067.9500643195. The cubic root of 2031120123 is about 1266.4222621786.

Adding to 2031120123 its reverse (3210211302), we get a palindrome (5241331425).

The spelling of 2031120123 in words is "two billion, thirty-one million, one hundred twenty thousand, one hundred twenty-three".