1223452202523 has 8 divisors (see below), whose sum is σ = 1727226638928. Its totient is φ = 767656283904.

The previous prime is 1223452202509. The next prime is 1223452202527. The reversal of 1223452202523 is 3252022543221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1223452202523 - 2⁸ = 1223452202267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223452202527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11994629386 + ... + 11994629487.

It is an arithmetic number, because the mean of its divisors is an integer number (215903329866).

Almost surely, 2^{1223452202523} is an apocalyptic number.

1223452202523 is a deficient number, since it is larger than the sum of its proper divisors (503774436405).

1223452202523 is a wasteful number, since it uses less digits than its factorization.

1223452202523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23989258893.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 1223452202523 its reverse (3252022543221), we get a palindrome (4475474745744).

The spelling of 1223452202523 in words is "one trillion, two hundred twenty-three billion, four hundred fifty-two million, two hundred two thousand, five hundred twenty-three".