2402402123 has 24 divisors (see below), whose sum is σ = 2786456400. Its totient is φ = 2063983680.

The previous prime is 2402402117. The next prime is 2402402129. The reversal of 2402402123 is 3212042042.

It is an interprime number because it is at equal distance from previous prime (2402402117) and next prime (2402402129).

It is a de Polignac number, because none of the positive numbers 2^k-2402402123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2402402095 and 2402402104.

It is not an unprimeable number, because it can be changed into a prime (2402402129) 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 23 ways as a sum of consecutive naturals, for example, 1169165 + ... + 1171217.

It is an arithmetic number, because the mean of its divisors is an integer number (116102350).

Almost surely, 2^2402402123 is an apocalyptic number.

2402402123 is a deficient number, since it is larger than the sum of its proper divisors (384054277).

2402402123 is a wasteful number, since it uses less digits than its factorization.

2402402123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603 (or 2592 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2402402123 is about 49014.3052893744. The cubic root of 2402402123 is about 1339.3124346338.

Adding to 2402402123 its reverse (3212042042), we get a palindrome (5614444165).

The spelling of 2402402123 in words is "two billion, four hundred two million, four hundred two thousand, one hundred twenty-three".