231774043 has 2 divisors, whose sum is σ = 231774044. Its totient is φ = 231774042.

The previous prime is 231774029. The next prime is 231774113. The reversal of 231774043 is 340477132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231774043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231773996 and 231774014.

It is not a weakly prime, because it can be changed into another prime (231774443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115887021 + 115887022.

It is an arithmetic number, because the mean of its divisors is an integer number (115887022).

Almost surely, 2^231774043 is an apocalyptic number.

231774043 is a deficient number, since it is larger than the sum of its proper divisors (1).

231774043 is an equidigital number, since it uses as much as digits as its factorization.

231774043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 231774043 is about 15224.1270028859. The cubic root of 231774043 is about 614.2638142776.

The spelling of 231774043 in words is "two hundred thirty-one million, seven hundred seventy-four thousand, forty-three".