231035453443 has 8 divisors (see below), whose sum is σ = 232627161312. Its totient is φ = 229446225216.

The previous prime is 231035453393. The next prime is 231035453461. The reversal of 231035453443 is 344354530132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231035453443 - 2⁹ = 231035452931 is a prime.

It is a super-2 number, since 2×231035453443² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231035459443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432730 + ... + 805807.

It is an arithmetic number, because the mean of its divisors is an integer number (29078395164).

Almost surely, 2^231035453443 is an apocalyptic number.

231035453443 is a deficient number, since it is larger than the sum of its proper divisors (1591707869).

231035453443 is a wasteful number, since it uses less digits than its factorization.

231035453443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239821.

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 231035453443 its reverse (344354530132), we get a palindrome (575389983575).

The spelling of 231035453443 in words is "two hundred thirty-one billion, thirty-five million, four hundred fifty-three thousand, four hundred forty-three".