231596473 has 2 divisors, whose sum is σ = 231596474. Its totient is φ = 231596472.

The previous prime is 231596467. The next prime is 231596489. The reversal of 231596473 is 374695132.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161086864 + 70509609 = 12692^2 + 8397^2 .

It is a cyclic number.

It is not a de Polignac number, because 231596473 - 2⁵ = 231596441 is a prime.

It is not a weakly prime, because it can be changed into another prime (231516473) 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, 115798236 + 115798237.

It is an arithmetic number, because the mean of its divisors is an integer number (115798237).

Almost surely, 2^231596473 is an apocalyptic number.

It is an amenable number.

231596473 is a deficient number, since it is larger than the sum of its proper divisors (1).

231596473 is an equidigital number, since it uses as much as digits as its factorization.

231596473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 40.

The square root of 231596473 is about 15218.2940239700. The cubic root of 231596473 is about 614.1069047128.

The spelling of 231596473 in words is "two hundred thirty-one million, five hundred ninety-six thousand, four hundred seventy-three".