2031042123 has 24 divisors (see below), whose sum is σ = 3204570096. Its totient is φ = 1229342400.

The previous prime is 2031042119. The next prime is 2031042131. The reversal of 2031042123 is 3212401302.

It is not a de Polignac number, because 2031042123 - 2² = 2031042119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2031042096 and 2031042105.

It is not an unprimeable number, because it can be changed into a prime (2031042113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66033 + ... + 91773.

It is an arithmetic number, because the mean of its divisors is an integer number (133523754).

Almost surely, 2^2031042123 is an apocalyptic number.

2031042123 is a deficient number, since it is larger than the sum of its proper divisors (1173527973).

2031042123 is a wasteful number, since it uses less digits than its factorization.

2031042123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26555 (or 26552 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2031042123 is about 45067.0846960395. The cubic root of 2031042123 is about 1266.4060507296.

Adding to 2031042123 its reverse (3212401302), we get a palindrome (5243443425).

The spelling of 2031042123 in words is "two billion, thirty-one million, forty-two thousand, one hundred twenty-three".