1113357943 has 2 divisors, whose sum is σ = 1113357944. Its totient is φ = 1113357942.

The previous prime is 1113357929. The next prime is 1113357977. The reversal of 1113357943 is 3497533111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1113357943 - 2²⁹ = 576487031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113357743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556678971 + 556678972.

It is an arithmetic number, because the mean of its divisors is an integer number (556678972).

Almost surely, 2^1113357943 is an apocalyptic number.

1113357943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113357943 is an equidigital number, since it uses as much as digits as its factorization.

1113357943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 37.

The square root of 1113357943 is about 33367.0187910158. The cubic root of 1113357943 is about 1036.4418415044.

The spelling of 1113357943 in words is "one billion, one hundred thirteen million, three hundred fifty-seven thousand, nine hundred forty-three".