11402012423 has 16 divisors (see below), whose sum is σ = 12425464320. Its totient is φ = 10427196096.

The previous prime is 11402012407. The next prime is 11402012441. The reversal of 11402012423 is 32421020411.

It is a cyclic number.

It is not a de Polignac number, because 11402012423 - 2⁴ = 11402012407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11402012395 and 11402012404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11402012123) 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, 22265 + ... + 152642.

It is an arithmetic number, because the mean of its divisors is an integer number (776591520).

Almost surely, 2^11402012423 is an apocalyptic number.

11402012423 is a deficient number, since it is larger than the sum of its proper divisors (1023451897).

11402012423 is a wasteful number, since it uses less digits than its factorization.

11402012423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175046.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11402012423 its reverse (32421020411), we get a palindrome (43823032834).

The spelling of 11402012423 in words is "eleven billion, four hundred two million, twelve thousand, four hundred twenty-three".