5123099123803 has 2 divisors, whose sum is σ = 5123099123804. Its totient is φ = 5123099123802.

The previous prime is 5123099123783. The next prime is 5123099123819. The reversal of 5123099123803 is 3083219903215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5123099123803 - 2³⁷ = 4985660170331 is a prime.

It is a super-2 number, since 2×5123099123803² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5123099123603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2561549561901 + 2561549561902.

It is an arithmetic number, because the mean of its divisors is an integer number (2561549561902).

Almost surely, 2^{5123099123803} is an apocalyptic number.

5123099123803 is a deficient number, since it is larger than the sum of its proper divisors (1).

5123099123803 is an equidigital number, since it uses as much as digits as its factorization.

5123099123803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 5123099123803 in words is "five trillion, one hundred twenty-three billion, ninety-nine million, one hundred twenty-three thousand, eight hundred three".