23447241145550 has 96 divisors (see below), whose sum is σ = 49921377014880. Its totient is φ = 8136590745600.

The previous prime is 23447241145519. The next prime is 23447241145553. The reversal of 23447241145550 is 5554114274432.

It is a junction number, because it is equal to n+sod(n) for n = 23447241145495 and 23447241145504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23447241145553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19021931 + ... + 20217030.

It is an arithmetic number, because the mean of its divisors is an integer number (520014343905).

Almost surely, 2^{23447241145550} is an apocalyptic number.

23447241145550 is an abundant number, since it is smaller than the sum of its proper divisors (26474135869330).

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

23447241145550 is a wasteful number, since it uses less digits than its factorization.

23447241145550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39239046 (or 39239041 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 47.

The spelling of 23447241145550 in words is "twenty-three trillion, four hundred forty-seven billion, two hundred forty-one million, one hundred forty-five thousand, five hundred fifty".