1123310057 has 4 divisors (see below), whose sum is σ = 1138697940. Its totient is φ = 1107922176.

The previous prime is 1123310051. The next prime is 1123310063. The reversal of 1123310057 is 7500133211.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1123310051) and next prime (1123310063).

It can be written as a sum of positive squares in 2 ways, for example, as 660027481 + 463282576 = 25691^2 + 21524^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123310057 - 2⁸ = 1123309801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123310051) 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, 7693832 + ... + 7693977.

It is an arithmetic number, because the mean of its divisors is an integer number (284674485).

Almost surely, 2^1123310057 is an apocalyptic number.

It is an amenable number.

1123310057 is a deficient number, since it is larger than the sum of its proper divisors (15387883).

1123310057 is an equidigital number, since it uses as much as digits as its factorization.

1123310057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15387882.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 1123310057 is about 33515.8180117985. The cubic root of 1123310057 is about 1039.5208767522.

Adding to 1123310057 its reverse (7500133211), we get a palindrome (8623443268).

The spelling of 1123310057 in words is "one billion, one hundred twenty-three million, three hundred ten thousand, fifty-seven".