23390454500 has 96 divisors (see below), whose sum is σ = 58460403456. Its totient is φ = 8008896000.

The previous prime is 23390454481. The next prime is 23390454517. The reversal of 23390454500 is 545409332.

It is a super-2 number, since 2×23390454500² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2890460 + ... + 2898540.

It is an arithmetic number, because the mean of its divisors is an integer number (608962536).

Almost surely, 2^23390454500 is an apocalyptic number.

23390454500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23390454500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29230201728).

23390454500 is an abundant number, since it is smaller than the sum of its proper divisors (35069948956).

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

23390454500 is a wasteful number, since it uses less digits than its factorization.

23390454500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8934 (or 8922 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 23390454500 in words is "twenty-three billion, three hundred ninety million, four hundred fifty-four thousand, five hundred".