23228548533 has 24 divisors (see below), whose sum is σ = 34487375000. Its totient is φ = 15054833664.

The previous prime is 23228548411. The next prime is 23228548547. The reversal of 23228548533 is 33584582232.

23228548533 is a `hidden beast` number, since 2 + 32 + 2 + 85 + 4 + 8 + 533 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 11389585284 + 11838963249 = 106722^2 + 108807^2 .

It is not a de Polignac number, because 23228548533 - 2¹⁰ = 23228547509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23228548583) 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 23 ways as a sum of consecutive naturals, for example, 387993 + ... + 443841.

Almost surely, 2^23228548533 is an apocalyptic number.

It is an amenable number.

23228548533 is a deficient number, since it is larger than the sum of its proper divisors (11258826467).

23228548533 is a wasteful number, since it uses less digits than its factorization.

23228548533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57141 (or 57138 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 45.

The spelling of 23228548533 in words is "twenty-three billion, two hundred twenty-eight million, five hundred forty-eight thousand, five hundred thirty-three".