123410003999 has 4 divisors (see below), whose sum is σ = 126280004136. Its totient is φ = 120540003864.

The previous prime is 123410003987. The next prime is 123410004043. The reversal of 123410003999 is 999300014321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123410003999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123410003599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1435000004 + ... + 1435000089.

It is an arithmetic number, because the mean of its divisors is an integer number (31570001034).

Almost surely, 2^123410003999 is an apocalyptic number.

123410003999 is a deficient number, since it is larger than the sum of its proper divisors (2870000137).

123410003999 is an equidigital number, since it uses as much as digits as its factorization.

123410003999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2870000136.

The product of its (nonzero) digits is 52488, while the sum is 41.

The spelling of 123410003999 in words is "one hundred twenty-three billion, four hundred ten million, three thousand, nine hundred ninety-nine".