23218430812265 has 16 divisors (see below), whose sum is σ = 30005521867776. Its totient is φ = 17145823780800.

The previous prime is 23218430812253. The next prime is 23218430812267. The reversal of 23218430812265 is 56221803481232.

It is not a de Polignac number, because 23218430812265 - 2¹² = 23218430808169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23218430812267) 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, 12286820 + ... + 14050010.

It is an arithmetic number, because the mean of its divisors is an integer number (1875345116736).

Almost surely, 2^{23218430812265} is an apocalyptic number.

It is an amenable number.

23218430812265 is a deficient number, since it is larger than the sum of its proper divisors (6787091055511).

23218430812265 is a wasteful number, since it uses less digits than its factorization.

23218430812265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965800.

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 23218430812265 in words is "twenty-three trillion, two hundred eighteen billion, four hundred thirty million, eight hundred twelve thousand, two hundred sixty-five".