23154520345 has 8 divisors (see below), whose sum is σ = 30311372160. Its totient is φ = 16839651120.

The previous prime is 23154520327. The next prime is 23154520349. The reversal of 23154520345 is 54302545132.

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

It is not a de Polignac number, because 23154520345 - 2¹¹ = 23154518297 is a prime.

It is a super-2 number, since 2×23154520345² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23154520345.

It is not an unprimeable number, because it can be changed into a prime (23154520349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210495585 + ... + 210495694.

It is an arithmetic number, because the mean of its divisors is an integer number (3788921520).

Almost surely, 2^23154520345 is an apocalyptic number.

It is an amenable number.

23154520345 is a deficient number, since it is larger than the sum of its proper divisors (7156851815).

23154520345 is a wasteful number, since it uses less digits than its factorization.

23154520345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420991295.

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 23154520345 in words is "twenty-three billion, one hundred fifty-four million, five hundred twenty thousand, three hundred forty-five".