1231463503 has 2 divisors, whose sum is σ = 1231463504. Its totient is φ = 1231463502.

The previous prime is 1231463477. The next prime is 1231463507. The reversal of 1231463503 is 3053641321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1231463503 - 2²⁵ = 1197909071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1231463507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615731751 + 615731752.

It is an arithmetic number, because the mean of its divisors is an integer number (615731752).

Almost surely, 2^1231463503 is an apocalyptic number.

1231463503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231463503 is an equidigital number, since it uses as much as digits as its factorization.

1231463503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 1231463503 is about 35092.2142789537. The cubic root of 1231463503 is about 1071.8660490975.

The spelling of 1231463503 in words is "one billion, two hundred thirty-one million, four hundred sixty-three thousand, five hundred three".