23661565062 has 8 divisors (see below), whose sum is σ = 47323130136. Its totient is φ = 7887188352.

The previous prime is 23661565061. The next prime is 23661565069. The reversal of 23661565062 is 26056516632.

It is a sphenic number, since it is the product of 3 distinct primes.

23661565062 is an admirable number.

It is a super-2 number, since 2×23661565062² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23661565061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1971797083 + ... + 1971797094.

It is an arithmetic number, because the mean of its divisors is an integer number (5915391267).

Almost surely, 2^23661565062 is an apocalyptic number.

23661565062 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23661565062 is a wasteful number, since it uses less digits than its factorization.

23661565062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943594182.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 23661565062 in words is "twenty-three billion, six hundred sixty-one million, five hundred sixty-five thousand, sixty-two".