123203313001 has 2 divisors, whose sum is σ = 123203313002. Its totient is φ = 123203313000.

The previous prime is 123203312923. The next prime is 123203313031. The reversal of 123203313001 is 100313302321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86989603600 + 36213709401 = 294940^2 + 190299^2 .

It is a cyclic number.

It is not a de Polignac number, because 123203313001 - 2¹⁷ = 123203181929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123203313001.

It is not a weakly prime, because it can be changed into another prime (123203313031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61601656500 + 61601656501.

It is an arithmetic number, because the mean of its divisors is an integer number (61601656501).

Almost surely, 2^123203313001 is an apocalyptic number.

It is an amenable number.

123203313001 is a deficient number, since it is larger than the sum of its proper divisors (1).

123203313001 is an equidigital number, since it uses as much as digits as its factorization.

123203313001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 123203313001 its reverse (100313302321), we get a palindrome (223516615322).

The spelling of 123203313001 in words is "one hundred twenty-three billion, two hundred three million, three hundred thirteen thousand, one".