23520555345 has 32 divisors (see below), whose sum is σ = 44171428608. Its totient is φ = 10461650688.

The previous prime is 23520555329. The next prime is 23520555347. The reversal of 23520555345 is 54355502532.

It is a happy number.

It is not a de Polignac number, because 23520555345 - 2⁴ = 23520555329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23520555347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3023214 + ... + 3030983.

It is an arithmetic number, because the mean of its divisors is an integer number (1380357144).

Almost surely, 2^23520555345 is an apocalyptic number.

It is an amenable number.

23520555345 is a deficient number, since it is larger than the sum of its proper divisors (20650873263).

23520555345 is a wasteful number, since it uses less digits than its factorization.

23520555345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6054249.

The product of its (nonzero) digits is 450000, while the sum is 39.

The spelling of 23520555345 in words is "twenty-three billion, five hundred twenty million, five hundred fifty-five thousand, three hundred forty-five".