1123316397 has 64 divisors (see below), whose sum is σ = 1955266560. Its totient is φ = 624117312.

The previous prime is 1123316393. The next prime is 1123316419. The reversal of 1123316397 is 7936133211.

1123316397 is a `hidden beast` number, since 1 + 12 + 3 + 3 + 1 + 639 + 7 = 666.

1123316397 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1123316397 - 2² = 1123316393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123316393) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1271718 + ... + 1272600.

It is an arithmetic number, because the mean of its divisors is an integer number (30551040).

Almost surely, 2^1123316397 is an apocalyptic number.

It is an amenable number.

1123316397 is a deficient number, since it is larger than the sum of its proper divisors (831950163).

1123316397 is a wasteful number, since it uses less digits than its factorization.

1123316397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079 (or 1073 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 1123316397 is about 33515.9125938710. The cubic root of 1123316397 is about 1039.5228324456.

The spelling of 1123316397 in words is "one billion, one hundred twenty-three million, three hundred sixteen thousand, three hundred ninety-seven".