1223534300452 has 24 divisors (see below), whose sum is σ = 2158785189792. Its totient is φ = 606743966400.

The previous prime is 1223534300437. The next prime is 1223534300479. The reversal of 1223534300452 is 2540034353221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223423 + ... + 1580185.

It is an arithmetic number, because the mean of its divisors is an integer number (89949382908).

Almost surely, 2^{1223534300452} is an apocalyptic number.

It is an amenable number.

1223534300452 is a deficient number, since it is larger than the sum of its proper divisors (935250889340).

1223534300452 is a wasteful number, since it uses less digits than its factorization.

1223534300452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358619 (or 1358617 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 1223534300452 its reverse (2540034353221), we get a palindrome (3763568653673).

The spelling of 1223534300452 in words is "one trillion, two hundred twenty-three billion, five hundred thirty-four million, three hundred thousand, four hundred fifty-two".