1123433001 has 24 divisors (see below), whose sum is σ = 1689055680. Its totient is φ = 718665696.

The previous prime is 1123432991. The next prime is 1123433021. The reversal of 1123433001 is 1003343211.

It is not a de Polignac number, because 1123433001 - 2⁷ = 1123432873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123433021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29340 + ... + 55746.

It is an arithmetic number, because the mean of its divisors is an integer number (70377320).

Almost surely, 2^1123433001 is an apocalyptic number.

It is an amenable number.

1123433001 is a deficient number, since it is larger than the sum of its proper divisors (565622679).

1123433001 is a wasteful number, since it uses less digits than its factorization.

1123433001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26605 (or 26602 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1123433001 is about 33517.6520806574. The cubic root of 1123433001 is about 1039.5587998503.

Adding to 1123433001 its reverse (1003343211), we get a palindrome (2126776212).

The spelling of 1123433001 in words is "one billion, one hundred twenty-three million, four hundred thirty-three thousand, one".