2402123423999 has 12 divisors (see below), whose sum is σ = 2601343196352. Its totient is φ = 2217150936000.

The previous prime is 2402123423971. The next prime is 2402123424037. The reversal of 2402123423999 is 9993243212042.

It is a happy number.

It is not a de Polignac number, because 2402123423999 - 2²⁸ = 2401854988543 is a prime.

It is a super-3 number, since 3×2402123423999³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402123423599) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1336859 + ... + 2567379.

It is an arithmetic number, because the mean of its divisors is an integer number (216778599696).

Almost surely, 2^{2402123423999} is an apocalyptic number.

2402123423999 is a deficient number, since it is larger than the sum of its proper divisors (199219772353).

2402123423999 is a wasteful number, since it uses less digits than its factorization.

2402123423999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242098 (or 1242085 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 50.

The spelling of 2402123423999 in words is "two trillion, four hundred two billion, one hundred twenty-three million, four hundred twenty-three thousand, nine hundred ninety-nine".