1023123401117 has 2 divisors, whose sum is σ = 1023123401118. Its totient is φ = 1023123401116.

The previous prime is 1023123401057. The next prime is 1023123401123. The reversal of 1023123401117 is 7111043213201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1017538230361 + 5585170756 = 1008731^2 + 74734^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023123401117 - 2¹⁶ = 1023123335581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023123401137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511561700558 + 511561700559.

It is an arithmetic number, because the mean of its divisors is an integer number (511561700559).

Almost surely, 2^{1023123401117} is an apocalyptic number.

It is an amenable number.

1023123401117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023123401117 is an equidigital number, since it uses as much as digits as its factorization.

1023123401117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 1023123401117 its reverse (7111043213201), we get a palindrome (8134166614318).

The spelling of 1023123401117 in words is "one trillion, twenty-three billion, one hundred twenty-three million, four hundred one thousand, one hundred seventeen".