1223453164 has 12 divisors (see below), whose sum is σ = 2141461000. Its totient is φ = 611607168.

The previous prime is 1223453159. The next prime is 1223453167. The reversal of 1223453164 is 4613543221.

It is a super-2 number, since 2×1223453164² = 2993675289003221792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1223453167) 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, 4389 + ... + 49660.

Almost surely, 2^1223453164 is an apocalyptic number.

It is an amenable number.

1223453164 is a deficient number, since it is larger than the sum of its proper divisors (918007836).

1223453164 is a wasteful number, since it uses less digits than its factorization.

1223453164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59712 (or 59710 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 1223453164 is about 34977.8953626430. The cubic root of 1223453164 is about 1069.5369248410.

Adding to 1223453164 its reverse (4613543221), we get a palindrome (5836996385).

The spelling of 1223453164 in words is "one billion, two hundred twenty-three million, four hundred fifty-three thousand, one hundred sixty-four".