1204230543523 has 16 divisors (see below), whose sum is σ = 1387034746624. Its totient is φ = 1024138196640.

The previous prime is 1204230543473. The next prime is 1204230543557. The reversal of 1204230543523 is 3253450324021.

It is a cyclic number.

It is not a de Polignac number, because 1204230543523 - 2⁹ = 1204230543011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1204230543223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33465 + ... + 1552282.

It is an arithmetic number, because the mean of its divisors is an integer number (86689671664).

Almost surely, 2^{1204230543523} is an apocalyptic number.

1204230543523 is a deficient number, since it is larger than the sum of its proper divisors (182804203101).

1204230543523 is a wasteful number, since it uses less digits than its factorization.

1204230543523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586602.

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

Adding to 1204230543523 its reverse (3253450324021), we get a palindrome (4457680867544).

The spelling of 1204230543523 in words is "one trillion, two hundred four billion, two hundred thirty million, five hundred forty-three thousand, five hundred twenty-three".