23537766745 has 8 divisors (see below), whose sum is σ = 28316469384. Its totient is φ = 18782780544.

The previous prime is 23537766743. The next prime is 23537766787. The reversal of 23537766745 is 54766773532.

It can be written as a sum of positive squares in 4 ways, for example, as 230553856 + 23307212889 = 15184^2 + 152667^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23537766745 - 2¹ = 23537766743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23537766743) 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, 5926924 + ... + 5930893.

It is an arithmetic number, because the mean of its divisors is an integer number (3539558673).

Almost surely, 2^23537766745 is an apocalyptic number.

It is an amenable number.

23537766745 is a deficient number, since it is larger than the sum of its proper divisors (4778702639).

23537766745 is a wasteful number, since it uses less digits than its factorization.

23537766745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11858219.

The product of its digits is 22226400, while the sum is 55.

The spelling of 23537766745 in words is "twenty-three billion, five hundred thirty-seven million, seven hundred sixty-six thousand, seven hundred forty-five".