23466021555155 has 16 divisors (see below), whose sum is σ = 29027128066560. Its totient is φ = 18201681603552.

The previous prime is 23466021555143. The next prime is 23466021555157. The reversal of 23466021555155 is 55155512066432.

It is a cyclic number.

It is not a de Polignac number, because 23466021555155 - 2⁴ = 23466021555139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23466021555157) 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, 466588925 + ... + 466639214.

It is an arithmetic number, because the mean of its divisors is an integer number (1814195504160).

Almost surely, 2^{23466021555155} is an apocalyptic number.

23466021555155 is a deficient number, since it is larger than the sum of its proper divisors (5561106511405).

23466021555155 is a wasteful number, since it uses less digits than its factorization.

23466021555155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933228298.

The product of its (nonzero) digits is 5400000, while the sum is 50.

The spelling of 23466021555155 in words is "twenty-three trillion, four hundred sixty-six billion, twenty-one million, five hundred fifty-five thousand, one hundred fifty-five".