1023123204287 has 2 divisors, whose sum is σ = 1023123204288. Its totient is φ = 1023123204286.

The previous prime is 1023123204269. The next prime is 1023123204331. The reversal of 1023123204287 is 7824023213201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1023123204287 - 2⁸ = 1023123204031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023123200287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511561602143 + 511561602144.

It is an arithmetic number, because the mean of its divisors is an integer number (511561602144).

Almost surely, 2^{1023123204287} is an apocalyptic number.

1023123204287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023123204287 is an equidigital number, since it uses as much as digits as its factorization.

1023123204287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 35.

Adding to 1023123204287 its reverse (7824023213201), we get a palindrome (8847146417488).

The spelling of 1023123204287 in words is "one trillion, twenty-three billion, one hundred twenty-three million, two hundred four thousand, two hundred eighty-seven".