23066654443542 has 16 divisors (see below), whose sum is σ = 51259232096880. Its totient is φ = 7688884814496.

The previous prime is 23066654443517. The next prime is 23066654443549. The reversal of 23066654443542 is 24534445666032.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 427160267473 = 23066654443542 / (2 + 3 + 0 + 6 + 6 + 6 + 5 + 4 + 4 + 4 + 3 + 5 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23066654443549) 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, 213580133683 + ... + 213580133790.

It is an arithmetic number, because the mean of its divisors is an integer number (3203702006055).

Almost surely, 2^{23066654443542} is an apocalyptic number.

23066654443542 is an abundant number, since it is smaller than the sum of its proper divisors (28192577653338).

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

23066654443542 is a wasteful number, since it uses less digits than its factorization.

23066654443542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427160267484 (or 427160267478 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 54.

The spelling of 23066654443542 in words is "twenty-three trillion, sixty-six billion, six hundred fifty-four million, four hundred forty-three thousand, five hundred forty-two".