1113400373 has 2 divisors, whose sum is σ = 1113400374. Its totient is φ = 1113400372.

The previous prime is 1113400349. The next prime is 1113400459. The reversal of 1113400373 is 3730043111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1034136964 + 79263409 = 32158^2 + 8903^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113400373 - 2¹⁴ = 1113383989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113400303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556700186 + 556700187.

It is an arithmetic number, because the mean of its divisors is an integer number (556700187).

Almost surely, 2^1113400373 is an apocalyptic number.

It is an amenable number.

1113400373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113400373 is an equidigital number, since it uses as much as digits as its factorization.

1113400373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 1113400373 is about 33367.6545924343. The cubic root of 1113400373 is about 1036.4550075812.

Adding to 1113400373 its reverse (3730043111), we get a palindrome (4843443484).

The spelling of 1113400373 in words is "one billion, one hundred thirteen million, four hundred thousand, three hundred seventy-three".