11202431023 has 4 divisors (see below), whose sum is σ = 12802778320. Its totient is φ = 9602083728.

The previous prime is 11202431017. The next prime is 11202431041. The reversal of 11202431023 is 32013420211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11202431023 - 2³³ = 2612496431 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 (11202437023) 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 3 ways as a sum of consecutive naturals, for example, 800173638 + ... + 800173651.

It is an arithmetic number, because the mean of its divisors is an integer number (3200694580).

Almost surely, 2^11202431023 is an apocalyptic number.

11202431023 is a deficient number, since it is larger than the sum of its proper divisors (1600347297).

11202431023 is an equidigital number, since it uses as much as digits as its factorization.

11202431023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600347296.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11202431023 its reverse (32013420211), we get a palindrome (43215851234).

It can be divided in two parts, 11202 and 431023, that added together give a square (442225 = 665²).

The spelling of 11202431023 in words is "eleven billion, two hundred two million, four hundred thirty-one thousand, twenty-three".