11402503203423 has 16 divisors (see below), whose sum is σ = 15300400048736. Its totient is φ = 7553139010560.

The previous prime is 11402503203397. The next prime is 11402503203461. The reversal of 11402503203423 is 32430230520411.

It is not a de Polignac number, because 11402503203423 - 2⁶ = 11402503203359 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 (11402503203023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42630183 + ... + 42896823.

It is an arithmetic number, because the mean of its divisors is an integer number (956275003046).

Almost surely, 2^{11402503203423} is an apocalyptic number.

11402503203423 is a deficient number, since it is larger than the sum of its proper divisors (3897896845313).

11402503203423 is a wasteful number, since it uses less digits than its factorization.

11402503203423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357594.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 11402503203423 its reverse (32430230520411), we get a palindrome (43832733723834).

The spelling of 11402503203423 in words is "eleven trillion, four hundred two billion, five hundred three million, two hundred three thousand, four hundred twenty-three".