2231423387 has 2 divisors, whose sum is σ = 2231423388. Its totient is φ = 2231423386.

The previous prime is 2231423351. The next prime is 2231423443. The reversal of 2231423387 is 7833241322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2231423387 - 2⁶ = 2231423323 is a prime.

It is a super-3 number, since 3×2231423387³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2231423087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115711693 + 1115711694.

It is an arithmetic number, because the mean of its divisors is an integer number (1115711694).

Almost surely, 2^2231423387 is an apocalyptic number.

2231423387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231423387 is an equidigital number, since it uses as much as digits as its factorization.

2231423387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 35.

The square root of 2231423387 is about 47237.9443562058. The cubic root of 2231423387 is about 1306.7544674171.

The spelling of 2231423387 in words is "two billion, two hundred thirty-one million, four hundred twenty-three thousand, three hundred eighty-seven".