23012455000 has 80 divisors (see below), whose sum is σ = 54021520080. Its totient is φ = 9187344000.

The previous prime is 23012454929. The next prime is 23012455003. The reversal of 23012455000 is 55421032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23012455003) 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 19 ways as a sum of consecutive naturals, for example, 2780869 + ... + 2789131.

It is an arithmetic number, because the mean of its divisors is an integer number (675269001).

Almost surely, 2^23012455000 is an apocalyptic number.

23012455000 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 23012455000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27010760040).

23012455000 is an abundant number, since it is smaller than the sum of its proper divisors (31009065080).

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

23012455000 is an equidigital number, since it uses as much as digits as its factorization.

23012455000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8846 (or 8827 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 23012455000 its reverse (55421032), we get a palindrome (23067876032).

The spelling of 23012455000 in words is "twenty-three billion, twelve million, four hundred fifty-five thousand".