1231023007 has 2 divisors, whose sum is σ = 1231023008. Its totient is φ = 1231023006.

The previous prime is 1231022981. The next prime is 1231023067. The reversal of 1231023007 is 7003201321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1231023007 - 2⁷ = 1231022879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1231023067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615511503 + 615511504.

It is an arithmetic number, because the mean of its divisors is an integer number (615511504).

Almost surely, 2^1231023007 is an apocalyptic number.

1231023007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231023007 is an equidigital number, since it uses as much as digits as its factorization.

1231023007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 1231023007 is about 35085.9374536295. The cubic root of 1231023007 is about 1071.7382312575.

Adding to 1231023007 its reverse (7003201321), we get a palindrome (8234224328).

The spelling of 1231023007 in words is "one billion, two hundred thirty-one million, twenty-three thousand, seven".