1230001400263 has 2 divisors, whose sum is σ = 1230001400264. Its totient is φ = 1230001400262.

The previous prime is 1230001400209. The next prime is 1230001400321. The reversal of 1230001400263 is 3620041000321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230001400263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230001401263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615000700131 + 615000700132.

It is an arithmetic number, because the mean of its divisors is an integer number (615000700132).

Almost surely, 2^{1230001400263} is an apocalyptic number.

1230001400263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230001400263 is an equidigital number, since it uses as much as digits as its factorization.

1230001400263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1230001400263 its reverse (3620041000321), we get a palindrome (4850042400584).

The spelling of 1230001400263 in words is "one trillion, two hundred thirty billion, one million, four hundred thousand, two hundred sixty-three".