23325143263566 has 16 divisors (see below), whose sum is σ = 49394421028944. Its totient is φ = 7317692004224.

The previous prime is 23325143263553. The next prime is 23325143263567. The reversal of 23325143263566 is 66536234152332.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23325143263567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114338937465 + ... + 114338937668.

It is an arithmetic number, because the mean of its divisors is an integer number (3087151314309).

Almost surely, 2^{23325143263566} is an apocalyptic number.

23325143263566 is an abundant number, since it is smaller than the sum of its proper divisors (26069277765378).

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

23325143263566 is a wasteful number, since it uses less digits than its factorization.

23325143263566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228677875155.

The product of its digits is 13996800, while the sum is 51.

The spelling of 23325143263566 in words is "twenty-three trillion, three hundred twenty-five billion, one hundred forty-three million, two hundred sixty-three thousand, five hundred sixty-six".