23608729145 has 16 divisors (see below), whose sum is σ = 28401840000. Its totient is φ = 18839468544.

The previous prime is 23608729043. The next prime is 23608729187. The reversal of 23608729145 is 54192780632.

It is a cyclic number.

It is not a de Polignac number, because 23608729145 - 2⁸ = 23608728889 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23608729145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4037594 + ... + 4043436.

It is an arithmetic number, because the mean of its divisors is an integer number (1775115000).

It is a 1-persistent number, because it is pandigital, but 2⋅23608729145 = 47217458290 is not.

Almost surely, 2^23608729145 is an apocalyptic number.

It is an amenable number.

23608729145 is a deficient number, since it is larger than the sum of its proper divisors (4793110855).

23608729145 is a wasteful number, since it uses less digits than its factorization.

23608729145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7744.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 23608729145 in words is "twenty-three billion, six hundred eight million, seven hundred twenty-nine thousand, one hundred forty-five".