23534043533 has 16 divisors (see below), whose sum is σ = 31598157696. Its totient is φ = 16927583040.

The previous prime is 23534043503. The next prime is 23534043563. The reversal of 23534043533 is 33534043532.

It is an interprime number because it is at equal distance from previous prime (23534043503) and next prime (23534043563).

It is a cyclic number.

It is not a de Polignac number, because 23534043533 - 2¹⁰ = 23534042509 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 23534043493 and 23534043502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23534043503) 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, 11754266 + ... + 11756267.

It is an arithmetic number, because the mean of its divisors is an integer number (1974884856).

Almost surely, 2^23534043533 is an apocalyptic number.

It is an amenable number.

23534043533 is a deficient number, since it is larger than the sum of its proper divisors (8064114163).

23534043533 is a wasteful number, since it uses less digits than its factorization.

23534043533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23510564.

The product of its (nonzero) digits is 194400, while the sum is 35.

Subtracting 23534043533 from its reverse (33534043532), we obtain a palindrome (9999999999).

The spelling of 23534043533 in words is "twenty-three billion, five hundred thirty-four million, forty-three thousand, five hundred thirty-three".