1223523297 has 48 divisors (see below), whose sum is σ = 1905508800. Its totient is φ = 754185600.

The previous prime is 1223523293. The next prime is 1223523313. The reversal of 1223523297 is 7923253221.

It is a happy number.

1223523297 is a `hidden beast` number, since 12 + 2 + 352 + 3 + 297 = 666.

It is not a de Polignac number, because 1223523297 - 2² = 1223523293 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223523293) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1745047 + ... + 1745747.

It is an arithmetic number, because the mean of its divisors is an integer number (39698100).

Almost surely, 2^1223523297 is an apocalyptic number.

It is an amenable number.

1223523297 is a deficient number, since it is larger than the sum of its proper divisors (681985503).

1223523297 is a wasteful number, since it uses less digits than its factorization.

1223523297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958 (or 955 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 1223523297 is about 34978.8978814370. The cubic root of 1223523297 is about 1069.5573610953.

The spelling of 1223523297 in words is "one billion, two hundred twenty-three million, five hundred twenty-three thousand, two hundred ninety-seven".