2123131142303 has 2 divisors, whose sum is σ = 2123131142304. Its totient is φ = 2123131142302.

The previous prime is 2123131142273. The next prime is 2123131142311. The reversal of 2123131142303 is 3032411313212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2123131142303 - 2²² = 2123126947999 is a prime.

It is a super-2 number, since 2×2123131142303² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123131162303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061565571151 + 1061565571152.

It is an arithmetic number, because the mean of its divisors is an integer number (1061565571152).

Almost surely, 2^{2123131142303} is an apocalyptic number.

2123131142303 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123131142303 is an equidigital number, since it uses as much as digits as its factorization.

2123131142303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 2123131142303 its reverse (3032411313212), we get a palindrome (5155542455515).

The spelling of 2123131142303 in words is "two trillion, one hundred twenty-three billion, one hundred thirty-one million, one hundred forty-two thousand, three hundred three".