1223453264 has 60 divisors (see below), whose sum is σ = 2649934560. Its totient is φ = 546638400.

The previous prime is 1223453251. The next prime is 1223453279. The reversal of 1223453264 is 4623543221.

It is a super-3 number, since 3×1223453264³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1223453264.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108869 + ... + 119579.

It is an arithmetic number, because the mean of its divisors is an integer number (44165576).

Almost surely, 2^1223453264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223453264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1324967280).

1223453264 is an abundant number, since it is smaller than the sum of its proper divisors (1426481296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223453264 is a wasteful number, since it uses less digits than its factorization.

1223453264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10800 (or 10783 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 1223453264 is about 34977.8967921172. The cubic root of 1223453264 is about 1069.5369539808.

Adding to 1223453264 its reverse (4623543221), we get a palindrome (5846996485).

The spelling of 1223453264 in words is "one billion, two hundred twenty-three million, four hundred fifty-three thousand, two hundred sixty-four".