11204523231 has 32 divisors (see below), whose sum is σ = 17191526400. Its totient is φ = 6419616480.

The previous prime is 11204523229. The next prime is 11204523233. The reversal of 11204523231 is 13232540211.

It is an interprime number because it is at equal distance from previous prime (11204523229) and next prime (11204523233).

It is not a de Polignac number, because 11204523231 - 2¹ = 11204523229 is a prime.

It is a super-2 number, since 2×11204523231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11204523233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281680 + ... + 318986.

It is an arithmetic number, because the mean of its divisors is an integer number (537235200).

Almost surely, 2^11204523231 is an apocalyptic number.

11204523231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11204523231 is a deficient number, since it is larger than the sum of its proper divisors (5987003169).

11204523231 is a wasteful number, since it uses less digits than its factorization.

11204523231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37819.

The product of its (nonzero) digits is 1440, while the sum is 24.

It can be divided in two parts, 11204 and 523231, that added together give a palindrome (534435).

The spelling of 11204523231 in words is "eleven billion, two hundred four million, five hundred twenty-three thousand, two hundred thirty-one".