1040523213 has 8 divisors (see below), whose sum is σ = 1424860768. Its totient is φ = 674933904.

The previous prime is 1040523203. The next prime is 1040523223. The reversal of 1040523213 is 3123250401.

It is an interprime number because it is at equal distance from previous prime (1040523203) and next prime (1040523223).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1040523213 - 2⁵ = 1040523181 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1040523213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040523203) 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 7 ways as a sum of consecutive naturals, for example, 4686931 + ... + 4687152.

It is an arithmetic number, because the mean of its divisors is an integer number (178107596).

Almost surely, 2^1040523213 is an apocalyptic number.

It is an amenable number.

1040523213 is a deficient number, since it is larger than the sum of its proper divisors (384337555).

1040523213 is an equidigital number, since it uses as much as digits as its factorization.

1040523213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9374123.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1040523213 is about 32257.1420463748. The cubic root of 1040523213 is about 1013.3292785959.

Adding to 1040523213 its reverse (3123250401), we get a palindrome (4163773614).

The spelling of 1040523213 in words is "one billion, forty million, five hundred twenty-three thousand, two hundred thirteen".