23234457533 has 4 divisors (see below), whose sum is σ = 26553665760. Its totient is φ = 19915249308.

The previous prime is 23234457517. The next prime is 23234457559. The reversal of 23234457533 is 33575443232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23234457533 - 2⁴ = 23234457517 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 (23234457563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1659604103 + ... + 1659604116.

It is an arithmetic number, because the mean of its divisors is an integer number (6638416440).

Almost surely, 2^23234457533 is an apocalyptic number.

It is an amenable number.

23234457533 is a deficient number, since it is larger than the sum of its proper divisors (3319208227).

23234457533 is an equidigital number, since it uses as much as digits as its factorization.

23234457533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319208226.

The product of its digits is 907200, while the sum is 41.

The spelling of 23234457533 in words is "twenty-three billion, two hundred thirty-four million, four hundred fifty-seven thousand, five hundred thirty-three".