23001312145 has 16 divisors (see below), whose sum is σ = 32397216768. Its totient is φ = 15346048320.

The previous prime is 23001312121. The next prime is 23001312149. The reversal of 23001312145 is 54121310032.

It is a happy number.

It is not a de Polignac number, because 23001312145 - 2¹⁵ = 23001279377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23001312149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8879521 + ... + 8882110.

It is an arithmetic number, because the mean of its divisors is an integer number (2024826048).

Almost surely, 2^23001312145 is an apocalyptic number.

It is an amenable number.

23001312145 is a deficient number, since it is larger than the sum of its proper divisors (9395904623).

23001312145 is a wasteful number, since it uses less digits than its factorization.

23001312145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17761680.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 23001312145 its reverse (54121310032), we get a palindrome (77122622177).

The spelling of 23001312145 in words is "twenty-three billion, one million, three hundred twelve thousand, one hundred forty-five".