123003938919 has 16 divisors (see below), whose sum is σ = 164368621440. Its totient is φ = 81821145120.

The previous prime is 123003938851. The next prime is 123003938921. The reversal of 123003938919 is 919839300321.

It is not a de Polignac number, because 123003938919 - 2⁸ = 123003938663 is a prime.

It is a super-2 number, since 2×123003938919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123003938819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2477689 + ... + 2526845.

It is an arithmetic number, because the mean of its divisors is an integer number (10273038840).

Almost surely, 2^123003938919 is an apocalyptic number.

123003938919 is a deficient number, since it is larger than the sum of its proper divisors (41364682521).

123003938919 is an equidigital number, since it uses as much as digits as its factorization.

123003938919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50990.

The product of its (nonzero) digits is 314928, while the sum is 48.

The spelling of 123003938919 in words is "one hundred twenty-three billion, three million, nine hundred thirty-eight thousand, nine hundred nineteen".