1123073164 has 24 divisors (see below), whose sum is σ = 2076802560. Its totient is φ = 530319504.

The previous prime is 1123073153. The next prime is 1123073167. The reversal of 1123073164 is 4613703211.

It is a super-2 number, since 2×1123073164² = 2522586663393941792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123073167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69994 + ... + 84529.

It is an arithmetic number, because the mean of its divisors is an integer number (86533440).

Almost surely, 2^1123073164 is an apocalyptic number.

It is an amenable number.

1123073164 is a deficient number, since it is larger than the sum of its proper divisors (953729396).

1123073164 is a wasteful number, since it uses less digits than its factorization.

1123073164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154629 (or 154627 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1123073164 is about 33512.2837777433. The cubic root of 1123073164 is about 1039.4477973353.

Adding to 1123073164 its reverse (4613703211), we get a palindrome (5736776375).

The spelling of 1123073164 in words is "one billion, one hundred twenty-three million, seventy-three thousand, one hundred sixty-four".