10123331011999 has 2 divisors, whose sum is σ = 10123331012000. Its totient is φ = 10123331011998.

The previous prime is 10123331011943. The next prime is 10123331012009. The reversal of 10123331011999 is 99911013332101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10123331011999 - 2²³ = 10123322623391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10123331011919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061665505999 + 5061665506000.

It is an arithmetic number, because the mean of its divisors is an integer number (5061665506000).

Almost surely, 2^{10123331011999} is an apocalyptic number.

10123331011999 is a deficient number, since it is larger than the sum of its proper divisors (1).

10123331011999 is an equidigital number, since it uses as much as digits as its factorization.

10123331011999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39366, while the sum is 43.

The spelling of 10123331011999 in words is "ten trillion, one hundred twenty-three billion, three hundred thirty-one million, eleven thousand, nine hundred ninety-nine".