2031023123 has 4 divisors (see below), whose sum is σ = 2069344368. Its totient is φ = 1992701880.

The previous prime is 2031023101. The next prime is 2031023153. The reversal of 2031023123 is 3213201302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2031023123 - 2⁸ = 2031022867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031023153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19160543 + ... + 19160648.

It is an arithmetic number, because the mean of its divisors is an integer number (517336092).

Almost surely, 2^2031023123 is an apocalyptic number.

2031023123 is a deficient number, since it is larger than the sum of its proper divisors (38321245).

2031023123 is an equidigital number, since it uses as much as digits as its factorization.

2031023123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38321244.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2031023123 is about 45066.8738986853. The cubic root of 2031023123 is about 1266.4021017240.

Adding to 2031023123 its reverse (3213201302), we get a palindrome (5244224425).

The spelling of 2031023123 in words is "two billion, thirty-one million, twenty-three thousand, one hundred twenty-three".