23003474520 has 128 divisors (see below), whose sum is σ = 78690709440. Its totient is φ = 5329305600.

The previous prime is 23003474519. The next prime is 23003474521. The reversal of 23003474520 is 2547430032.

It is an interprime number because it is at equal distance from previous prime (23003474519) and next prime (23003474521).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23003474521) 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 31 ways as a sum of consecutive naturals, for example, 407181 + ... + 460220.

Almost surely, 2^23003474520 is an apocalyptic number.

23003474520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23003474520 is an abundant number, since it is smaller than the sum of its proper divisors (55687234920).

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

23003474520 is a wasteful number, since it uses less digits than its factorization.

23003474520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867445 (or 867441 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 30.

The spelling of 23003474520 in words is "twenty-three billion, three million, four hundred seventy-four thousand, five hundred twenty".