231103200043 has 2 divisors, whose sum is σ = 231103200044. Its totient is φ = 231103200042.

The previous prime is 231103200019. The next prime is 231103200073. The reversal of 231103200043 is 340002301132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231103200043 is a prime.

It is a super-2 number, since 2×231103200043² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231103200073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115551600021 + 115551600022.

It is an arithmetic number, because the mean of its divisors is an integer number (115551600022).

Almost surely, 2^231103200043 is an apocalyptic number.

231103200043 is a deficient number, since it is larger than the sum of its proper divisors (1).

231103200043 is an equidigital number, since it uses as much as digits as its factorization.

231103200043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 231103200043 its reverse (340002301132), we get a palindrome (571105501175).

The spelling of 231103200043 in words is "two hundred thirty-one billion, one hundred three million, two hundred thousand, forty-three".