1223023524 has 48 divisors (see below), whose sum is σ = 2875541760. Its totient is φ = 404570880.

The previous prime is 1223023517. The next prime is 1223023541. The reversal of 1223023524 is 4253203221.

It is a junction number, because it is equal to n+sod(n) for n = 1223023494 and 1223023503.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1176597 + ... + 1177635.

It is an arithmetic number, because the mean of its divisors is an integer number (59907120).

Almost surely, 2^1223023524 is an apocalyptic number.

It is an amenable number.

1223023524 is an abundant number, since it is smaller than the sum of its proper divisors (1652518236).

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

1223023524 is a wasteful number, since it uses less digits than its factorization.

1223023524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700 (or 1698 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1223023524 is about 34971.7532302857. The cubic root of 1223023524 is about 1069.4117137696.

Adding to 1223023524 its reverse (4253203221), we get a palindrome (5476226745).

The spelling of 1223023524 in words is "one billion, two hundred twenty-three million, twenty-three thousand, five hundred twenty-four".