23155034449 has 16 divisors (see below), whose sum is σ = 23748480000. Its totient is φ = 22568878800.

The previous prime is 23155034431. The next prime is 23155034453. The reversal of 23155034449 is 94443055132.

It is a cyclic number.

It is not a de Polignac number, because 23155034449 - 2¹¹ = 23155032401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23155038449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5334322 + ... + 5338660.

It is an arithmetic number, because the mean of its divisors is an integer number (1484280000).

Almost surely, 2^23155034449 is an apocalyptic number.

It is an amenable number.

23155034449 is a deficient number, since it is larger than the sum of its proper divisors (593445551).

23155034449 is a wasteful number, since it uses less digits than its factorization.

23155034449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5148.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 23155034449 in words is "twenty-three billion, one hundred fifty-five million, thirty-four thousand, four hundred forty-nine".