1023231047 has 2 divisors, whose sum is σ = 1023231048. Its totient is φ = 1023231046.

The previous prime is 1023231029. The next prime is 1023231067. The reversal of 1023231047 is 7401323201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023231047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023231007) 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, 511615523 + 511615524.

It is an arithmetic number, because the mean of its divisors is an integer number (511615524).

Almost surely, 2^1023231047 is an apocalyptic number.

1023231047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023231047 is an equidigital number, since it uses as much as digits as its factorization.

1023231047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1023231047 is about 31987.9828529403. The cubic root of 1023231047 is about 1007.6844798435.

Adding to 1023231047 its reverse (7401323201), we get a palindrome (8424554248).

The spelling of 1023231047 in words is "one billion, twenty-three million, two hundred thirty-one thousand, forty-seven".