23145421140000 has 1200 divisors, whose sum is σ = 89828311114080. Its totient is φ = 5844457152000.

The previous prime is 23145421139993. The next prime is 23145421140013. The reversal of 23145421140000 is 4112454132.

23145421140000 is a `hidden beast` number, since 2 + 3 + 1 + 4 + 542 + 114 + 0 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1200).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 199 ways as a sum of consecutive naturals, for example, 11111578959 + ... + 11111581041.

Almost surely, 2^{23145421140000} is an apocalyptic number.

23145421140000 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 23145421140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44914155557040).

23145421140000 is an abundant number, since it is smaller than the sum of its proper divisors (66682889974080).

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

23145421140000 is an frugal number, since it uses more digits than its factorization.

23145421140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182 (or 2112 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 23145421140000 its reverse (4112454132), we get a palindrome (23149533594132).

The spelling of 23145421140000 in words is "twenty-three trillion, one hundred forty-five billion, four hundred twenty-one million, one hundred forty thousand".