23204542145 has 16 divisors (see below), whose sum is σ = 28520154432. Its totient is φ = 18114653760.

The previous prime is 23204542121. The next prime is 23204542147. The reversal of 23204542145 is 54124540232.

It is not a de Polignac number, because 23204542145 - 2²⁰ = 23203493569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23204542147) 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 15 ways as a sum of consecutive naturals, for example, 177254 + ... + 278976.

It is an arithmetic number, because the mean of its divisors is an integer number (1782509652).

Almost surely, 2^23204542145 is an apocalyptic number.

It is an amenable number.

23204542145 is a deficient number, since it is larger than the sum of its proper divisors (5315612287).

23204542145 is a wasteful number, since it uses less digits than its factorization.

23204542145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102832.

The product of its (nonzero) digits is 38400, while the sum is 32.

The spelling of 23204542145 in words is "twenty-three billion, two hundred four million, five hundred forty-two thousand, one hundred forty-five".