258720722552423 has 4 divisors (see below), whose sum is σ = 258752786102760. Its totient is φ = 258688659002088.

The previous prime is 258720722552417. The next prime is 258720722552459. The reversal of 258720722552423 is 324255227027852.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 258720722552423 - 2⁸ = 258720722552167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258720722554423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16031763065 + ... + 16031779202.

It is an arithmetic number, because the mean of its divisors is an integer number (64688196525690).

Almost surely, 2^{258720722552423} is an apocalyptic number.

258720722552423 is a deficient number, since it is larger than the sum of its proper divisors (32063550337).

258720722552423 is an equidigital number, since it uses as much as digits as its factorization.

258720722552423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32063550336.

The product of its (nonzero) digits is 37632000, while the sum is 56.

The spelling of 258720722552423 in words is "two hundred fifty-eight trillion, seven hundred twenty billion, seven hundred twenty-two million, five hundred fifty-two thousand, four hundred twenty-three".