1023123204373 has 2 divisors, whose sum is σ = 1023123204374. Its totient is φ = 1023123204372.

The previous prime is 1023123204331. The next prime is 1023123204403. The reversal of 1023123204373 is 3734023213201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 901783842129 + 121339362244 = 949623^2 + 348338^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023123204373 - 2²¹ = 1023121107221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023123204473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511561602186 + 511561602187.

It is an arithmetic number, because the mean of its divisors is an integer number (511561602187).

Almost surely, 2^{1023123204373} is an apocalyptic number.

It is an amenable number.

1023123204373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023123204373 is an equidigital number, since it uses as much as digits as its factorization.

1023123204373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 31.

Adding to 1023123204373 its reverse (3734023213201), we get a palindrome (4757146417574).

The spelling of 1023123204373 in words is "one trillion, twenty-three billion, one hundred twenty-three million, two hundred four thousand, three hundred seventy-three".