1123347955 has 8 divisors (see below), whose sum is σ = 1353144672. Its totient is φ = 895260288.

The previous prime is 1123347949. The next prime is 1123347959. The reversal of 1123347955 is 5597433211.

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

It is a cyclic number.

It is not a de Polignac number, because 1123347955 - 2²¹ = 1121250803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123347959) 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 in 7 ways as a sum of consecutive naturals, for example, 425814 + ... + 428443.

It is an arithmetic number, because the mean of its divisors is an integer number (169143084).

Almost surely, 2^1123347955 is an apocalyptic number.

1123347955 is a deficient number, since it is larger than the sum of its proper divisors (229796717).

1123347955 is an equidigital number, since it uses as much as digits as its factorization.

1123347955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854525.

The product of its digits is 113400, while the sum is 40.

The square root of 1123347955 is about 33516.3833818627. The cubic root of 1123347955 is about 1039.5325670001.

The spelling of 1123347955 in words is "one billion, one hundred twenty-three million, three hundred forty-seven thousand, nine hundred fifty-five".