123100320001 has 2 divisors, whose sum is σ = 123100320002. Its totient is φ = 123100320000.

The previous prime is 123100319887. The next prime is 123100320017. The reversal of 123100320001 is 100023001321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82626927601 + 40473392400 = 287449^2 + 201180^2 .

It is a cyclic number.

It is not a de Polignac number, because 123100320001 - 2¹³ = 123100311809 is a prime.

It is not a weakly prime, because it can be changed into another prime (123100320061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61550160000 + 61550160001.

It is an arithmetic number, because the mean of its divisors is an integer number (61550160001).

Almost surely, 2^123100320001 is an apocalyptic number.

It is an amenable number.

123100320001 is a deficient number, since it is larger than the sum of its proper divisors (1).

123100320001 is an equidigital number, since it uses as much as digits as its factorization.

123100320001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 123100320001 its reverse (100023001321), we get a palindrome (223123321322).

The spelling of 123100320001 in words is "one hundred twenty-three billion, one hundred million, three hundred twenty thousand, one".