23020475504 has 80 divisors (see below), whose sum is σ = 49636823040. Its totient is φ = 10270851840.

The previous prime is 23020475503. The next prime is 23020475573. The reversal of 23020475504 is 40557402032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23020475503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9406409 + ... + 9408855.

It is an arithmetic number, because the mean of its divisors is an integer number (620460288).

Almost surely, 2^23020475504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23020475504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24818411520).

23020475504 is an abundant number, since it is smaller than the sum of its proper divisors (26616347536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23020475504 is a wasteful number, since it uses less digits than its factorization.

23020475504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3958 (or 3952 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 32.

Adding to 23020475504 its reverse (40557402032), we get a palindrome (63577877536).

The spelling of 23020475504 in words is "twenty-three billion, twenty million, four hundred seventy-five thousand, five hundred four".