1123957303 has 4 divisors (see below), whose sum is σ = 1284522640. Its totient is φ = 963391968.

The previous prime is 1123957301. The next prime is 1123957343. The reversal of 1123957303 is 3037593211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3037593211 = 22721 ⋅133691.

It is not a de Polignac number, because 1123957303 - 2¹ = 1123957301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123957301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80282658 + ... + 80282671.

It is an arithmetic number, because the mean of its divisors is an integer number (321130660).

Almost surely, 2^1123957303 is an apocalyptic number.

1123957303 is a deficient number, since it is larger than the sum of its proper divisors (160565337).

1123957303 is an equidigital number, since it uses as much as digits as its factorization.

1123957303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160565336.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 1123957303 is about 33525.4724500640. The cubic root of 1123957303 is about 1039.7204941064.

The spelling of 1123957303 in words is "one billion, one hundred twenty-three million, nine hundred fifty-seven thousand, three hundred three".