23406006505663 has 16 divisors (see below), whose sum is σ = 23804585953632. Its totient is φ = 23007911472000.

The previous prime is 23406006505657. The next prime is 23406006505681. The reversal of 23406006505663 is 36650560060432.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23406006505663 is a prime.

It is a super-2 number, since 2×23406006505663² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23406006505633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 756701308 + ... + 756732238.

It is an arithmetic number, because the mean of its divisors is an integer number (1487786622102).

Almost surely, 2^{23406006505663} is an apocalyptic number.

23406006505663 is a deficient number, since it is larger than the sum of its proper divisors (398579447969).

23406006505663 is a wasteful number, since it uses less digits than its factorization.

23406006505663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38346.

The product of its (nonzero) digits is 2332800, while the sum is 46.

The spelling of 23406006505663 in words is "twenty-three trillion, four hundred six billion, six million, five hundred five thousand, six hundred sixty-three".