23066661020742 has 32 divisors (see below), whose sum is σ = 51260462536800. Its totient is φ = 7688704633344.

The previous prime is 23066661020737. The next prime is 23066661020759. The reversal of 23066661020742 is 24702016666032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2758567 + ... + 7330962.

It is an arithmetic number, because the mean of its divisors is an integer number (1601889454275).

Almost surely, 2^{23066661020742} is an apocalyptic number.

23066661020742 is an abundant number, since it is smaller than the sum of its proper divisors (28193801516058).

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

23066661020742 is a wasteful number, since it uses less digits than its factorization.

23066661020742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10131877 (or 10131871 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

Adding to 23066661020742 its reverse (24702016666032), we get a palindrome (47768677686774).

The spelling of 23066661020742 in words is "twenty-three trillion, sixty-six billion, six hundred sixty-one million, twenty thousand, seven hundred forty-two".