1223534533 has 8 divisors (see below), whose sum is σ = 1327272408. Its totient is φ = 1121170944.

The previous prime is 1223534497. The next prime is 1223534569. The reversal of 1223534533 is 3354353221.

It is an interprime number because it is at equal distance from previous prime (1223534497) and next prime (1223534569).

It can be written as a sum of positive squares in 4 ways, for example, as 120165444 + 1103369089 = 10962^2 + 33217^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1223534533 - 2⁹ = 1223534021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1223534495 and 1223534504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223534593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341716 + ... + 345277.

It is an arithmetic number, because the mean of its divisors is an integer number (165909051).

Almost surely, 2^1223534533 is an apocalyptic number.

1223534533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1223534533 is a deficient number, since it is larger than the sum of its proper divisors (103737875).

1223534533 is a wasteful number, since it uses less digits than its factorization.

1223534533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687143.

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

The square root of 1223534533 is about 34979.0584921893. The cubic root of 1223534533 is about 1069.5606351127.

Adding to 1223534533 its reverse (3354353221), we get a palindrome (4577887754).

The spelling of 1223534533 in words is "one billion, two hundred twenty-three million, five hundred thirty-four thousand, five hundred thirty-three".