23420665413223 has 32 divisors (see below), whose sum is σ = 25746116643072. Its totient is φ = 21173254502400.

The previous prime is 23420665413221. The next prime is 23420665413283. The reversal of 23420665413223 is 32231456602432.

It is not a de Polignac number, because 23420665413223 - 2¹ = 23420665413221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23420665413223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23420665413221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226066611 + ... + 226170187.

It is an arithmetic number, because the mean of its divisors is an integer number (804566145096).

Almost surely, 2^{23420665413223} is an apocalyptic number.

23420665413223 is a deficient number, since it is larger than the sum of its proper divisors (2325451229849).

23420665413223 is a wasteful number, since it uses less digits than its factorization.

23420665413223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104875.

The product of its (nonzero) digits is 1244160, while the sum is 43.

The spelling of 23420665413223 in words is "twenty-three trillion, four hundred twenty billion, six hundred sixty-five million, four hundred thirteen thousand, two hundred twenty-three".