23225440533 has 32 divisors (see below), whose sum is σ = 33555033600. Its totient is φ = 14239457856.

The previous prime is 23225440501. The next prime is 23225440573. The reversal of 23225440533 is 33504452232.

It is not a de Polignac number, because 23225440533 - 2⁵ = 23225440501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23225440494 and 23225440503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23225440573) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 921858 + ... + 946716.

It is an arithmetic number, because the mean of its divisors is an integer number (1048594800).

Almost surely, 2^23225440533 is an apocalyptic number.

It is an amenable number.

23225440533 is a deficient number, since it is larger than the sum of its proper divisors (10329593067).

23225440533 is a wasteful number, since it uses less digits than its factorization.

23225440533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25361.

The product of its (nonzero) digits is 86400, while the sum is 33.

Adding to 23225440533 its reverse (33504452232), we get a palindrome (56729892765).

The spelling of 23225440533 in words is "twenty-three billion, two hundred twenty-five million, four hundred forty thousand, five hundred thirty-three".