23051165545 has 8 divisors (see below), whose sum is σ = 27663306624. Its totient is φ = 18439660464.

The previous prime is 23051165537. The next prime is 23051165573. The reversal of 23051165545 is 54556115032.

It is a happy number.

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 23051165545 - 2³ = 23051165537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75249 + ... + 227518.

It is an arithmetic number, because the mean of its divisors is an integer number (3457913328).

Almost surely, 2^23051165545 is an apocalyptic number.

It is an amenable number.

23051165545 is a deficient number, since it is larger than the sum of its proper divisors (4612141079).

23051165545 is a wasteful number, since it uses less digits than its factorization.

23051165545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317999.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 23051165545 in words is "twenty-three billion, fifty-one million, one hundred sixty-five thousand, five hundred forty-five".