23059206505 has 8 divisors (see below), whose sum is σ = 28259793792. Its totient is φ = 18054867888.

The previous prime is 23059206497. The next prime is 23059206509. The reversal of 23059206505 is 50560295032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23059206505 - 2³ = 23059206497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23059206509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49061907 + ... + 49062376.

It is an arithmetic number, because the mean of its divisors is an integer number (3532474224).

Almost surely, 2^23059206505 is an apocalyptic number.

It is an amenable number.

23059206505 is a deficient number, since it is larger than the sum of its proper divisors (5200587287).

23059206505 is an equidigital number, since it uses as much as digits as its factorization.

23059206505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98124335.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 23059206505 in words is "twenty-three billion, fifty-nine million, two hundred six thousand, five hundred five".