23005515442000 has 320 divisors, whose sum is σ = 68706491503104. Its totient is φ = 7255122739200.

The previous prime is 23005515441911. The next prime is 23005515442001. The reversal of 23005515442000 is 24451550032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23005515442001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51282672 + ... + 51729328.

Almost surely, 2^{23005515442000} is an apocalyptic number.

23005515442000 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 23005515442000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34353245751552).

23005515442000 is an abundant number, since it is smaller than the sum of its proper divisors (45700976061104).

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

23005515442000 is a wasteful number, since it uses less digits than its factorization.

23005515442000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446983 (or 446967 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 23005515442000 its reverse (24451550032), we get a palindrome (23029966992032).

The spelling of 23005515442000 in words is "twenty-three trillion, five billion, five hundred fifteen million, four hundred forty-two thousand".