1233532020523 has 16 divisors (see below), whose sum is σ = 1358160556032. Its totient is φ = 1110993520000.

The previous prime is 1233532020491. The next prime is 1233532020569. The reversal of 1233532020523 is 3250202353321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1233532020523 - 2⁵ = 1233532020491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1233532020023) 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 15 ways as a sum of consecutive naturals, for example, 2711238 + ... + 3133348.

It is an arithmetic number, because the mean of its divisors is an integer number (84885034752).

Almost surely, 2^{1233532020523} is an apocalyptic number.

1233532020523 is a deficient number, since it is larger than the sum of its proper divisors (124628535509).

1233532020523 is a wasteful number, since it uses less digits than its factorization.

1233532020523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424586.

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 1233532020523 its reverse (3250202353321), we get a palindrome (4483734373844).

The spelling of 1233532020523 in words is "one trillion, two hundred thirty-three billion, five hundred thirty-two million, twenty thousand, five hundred twenty-three".