23540401652066 has 16 divisors (see below), whose sum is σ = 38562391441728. Its totient is φ = 10711775398800.

The previous prime is 23540401652017. The next prime is 23540401652083. The reversal of 23540401652066 is 66025610404532.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6376054940 + ... + 6376058631.

It is an arithmetic number, because the mean of its divisors is an integer number (2410149465108).

Almost surely, 2^{23540401652066} is an apocalyptic number.

23540401652066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23540401652066 is a deficient number, since it is larger than the sum of its proper divisors (15021989789662).

23540401652066 is a wasteful number, since it uses less digits than its factorization.

23540401652066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12752113657.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 23540401652066 in words is "twenty-three trillion, five hundred forty billion, four hundred one million, six hundred fifty-two thousand, sixty-six".