23276402145 has 24 divisors (see below), whose sum is σ = 40415732136. Its totient is φ = 12392552448.

The previous prime is 23276402141. The next prime is 23276402203. The reversal of 23276402145 is 54120467232.

23276402145 is a `hidden beast` number, since 2 + 3 + 2 + 7 + 640 + 2 + 1 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7216162704 + 16060239441 = 84948^2 + 126729^2 .

It is not a de Polignac number, because 23276402145 - 2² = 23276402141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23276402141) 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 23 ways as a sum of consecutive naturals, for example, 422262 + ... + 474191.

It is an arithmetic number, because the mean of its divisors is an integer number (1683988839).

Almost surely, 2^23276402145 is an apocalyptic number.

It is an amenable number.

23276402145 is a deficient number, since it is larger than the sum of its proper divisors (17139329991).

23276402145 is a wasteful number, since it uses less digits than its factorization.

23276402145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897041 (or 897038 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

Adding to 23276402145 its reverse (54120467232), we get a palindrome (77396869377).

The spelling of 23276402145 in words is "twenty-three billion, two hundred seventy-six million, four hundred two thousand, one hundred forty-five".