231422353 has 2 divisors, whose sum is σ = 231422354. Its totient is φ = 231422352.

The previous prime is 231422341. The next prime is 231422371. The reversal of 231422353 is 353224132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226893969 + 4528384 = 15063^2 + 2128^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231422353 is a prime.

It is not a weakly prime, because it can be changed into another prime (231422333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115711176 + 115711177.

It is an arithmetic number, because the mean of its divisors is an integer number (115711177).

Almost surely, 2^231422353 is an apocalyptic number.

It is an amenable number.

231422353 is a deficient number, since it is larger than the sum of its proper divisors (1).

231422353 is an equidigital number, since it uses as much as digits as its factorization.

231422353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 25.

The square root of 231422353 is about 15212.5722019651. The cubic root of 231422353 is about 613.9529658362.

Adding to 231422353 its reverse (353224132), we get a palindrome (584646485).

The spelling of 231422353 in words is "two hundred thirty-one million, four hundred twenty-two thousand, three hundred fifty-three".