1040223231 has 24 divisors (see below), whose sum is σ = 1571581440. Its totient is φ = 661761936.

The previous prime is 1040223221. The next prime is 1040223293. The reversal of 1040223231 is 1323220401.

1040223231 is a `hidden beast` number, since 1 + 0 + 402 + 232 + 31 = 666.

It is not a de Polignac number, because 1040223231 - 2⁵ = 1040223199 is a prime.

It is a super-2 number, since 2×1040223231² = 2164128740624158722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040223211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85150 + ... + 96596.

It is an arithmetic number, because the mean of its divisors is an integer number (65482560).

Almost surely, 2^1040223231 is an apocalyptic number.

1040223231 is a deficient number, since it is larger than the sum of its proper divisors (531358209).

1040223231 is a wasteful number, since it uses less digits than its factorization.

1040223231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11915 (or 11912 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1040223231 is about 32252.4918572193. The cubic root of 1040223231 is about 1013.2318885659.

Adding to 1040223231 its reverse (1323220401), we get a palindrome (2363443632).

It can be divided in two parts, 10402 and 23231, that added together give a palindrome (33633).

The spelling of 1040223231 in words is "one billion, forty million, two hundred twenty-three thousand, two hundred thirty-one".