23465421500 has 24 divisors (see below), whose sum is σ = 51248481648. Its totient is φ = 9386168400.

The previous prime is 23465421493. The next prime is 23465421517. The reversal of 23465421500 is 512456432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23464922 + ... + 23465921.

It is an arithmetic number, because the mean of its divisors is an integer number (2135353402).

Almost surely, 2^23465421500 is an apocalyptic number.

23465421500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23465421500 is an abundant number, since it is smaller than the sum of its proper divisors (27783060148).

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

23465421500 is a wasteful number, since it uses less digits than its factorization.

23465421500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46930862 (or 46930850 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 23465421500 its reverse (512456432), we get a palindrome (23977877932).

The spelling of 23465421500 in words is "twenty-three billion, four hundred sixty-five million, four hundred twenty-one thousand, five hundred".