20030123131199 has 2 divisors, whose sum is σ = 20030123131200. Its totient is φ = 20030123131198.

The previous prime is 20030123131133. The next prime is 20030123131237. The reversal of 20030123131199 is 99113132103002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20030123131199 - 2¹² = 20030123127103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20030123101199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10015061565599 + 10015061565600.

It is an arithmetic number, because the mean of its divisors is an integer number (10015061565600).

Almost surely, 2^{20030123131199} is an apocalyptic number.

20030123131199 is a deficient number, since it is larger than the sum of its proper divisors (1).

20030123131199 is an equidigital number, since it uses as much as digits as its factorization.

20030123131199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 35.

The spelling of 20030123131199 in words is "twenty trillion, thirty billion, one hundred twenty-three million, one hundred thirty-one thousand, one hundred ninety-nine".