11402013123 has 48 divisors (see below), whose sum is σ = 17535735360. Its totient is φ = 7124232192.

The previous prime is 11402013053. The next prime is 11402013131. The reversal of 11402013123 is 32131020411.

It is not a de Polignac number, because 11402013123 - 2¹² = 11402009027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11402013096 and 11402013105.

It is not an unprimeable number, because it can be changed into a prime (11402013173) 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 47 ways as a sum of consecutive naturals, for example, 2079061 + ... + 2084537.

It is an arithmetic number, because the mean of its divisors is an integer number (365327820).

Almost surely, 2^11402013123 is an apocalyptic number.

11402013123 is a deficient number, since it is larger than the sum of its proper divisors (6133722237).

11402013123 is a wasteful number, since it uses less digits than its factorization.

11402013123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5708 (or 5705 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11402013123 its reverse (32131020411), we get a palindrome (43533033534).

The spelling of 11402013123 in words is "eleven billion, four hundred two million, thirteen thousand, one hundred twenty-three".