2131333423 has 2 divisors, whose sum is σ = 2131333424. Its totient is φ = 2131333422.

The previous prime is 2131333363. The next prime is 2131333439. The reversal of 2131333423 is 3243331312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2131333423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131333223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065666711 + 1065666712.

It is an arithmetic number, because the mean of its divisors is an integer number (1065666712).

Almost surely, 2^2131333423 is an apocalyptic number.

2131333423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131333423 is an equidigital number, since it uses as much as digits as its factorization.

2131333423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 25.

The square root of 2131333423 is about 46166.3667944533. The cubic root of 2131333423 is about 1286.9167844975.

Adding to 2131333423 its reverse (3243331312), we get a palindrome (5374664735).

The spelling of 2131333423 in words is "two billion, one hundred thirty-one million, three hundred thirty-three thousand, four hundred twenty-three".