1040293823 has 2 divisors, whose sum is σ = 1040293824. Its totient is φ = 1040293822.

The previous prime is 1040293819. The next prime is 1040293843. The reversal of 1040293823 is 3283920401.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3283920401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1040293823 - 2² = 1040293819 is a prime.

It is a super-2 number, since 2×1040293823² = 2164422476343910658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1040293823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040293843) 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 as a sum of consecutive naturals, namely, 520146911 + 520146912.

It is an arithmetic number, because the mean of its divisors is an integer number (520146912).

Almost surely, 2^1040293823 is an apocalyptic number.

1040293823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040293823 is an equidigital number, since it uses as much as digits as its factorization.

1040293823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1040293823 is about 32253.5862037076. The cubic root of 1040293823 is about 1013.2548081488.

The spelling of 1040293823 in words is "one billion, forty million, two hundred ninety-three thousand, eight hundred twenty-three".