23452042145 has 12 divisors (see below), whose sum is σ = 32737136724. Its totient is φ = 16081400160.

The previous prime is 23452042129. The next prime is 23452042157. The reversal of 23452042145 is 54124025432.

It can be written as a sum of positive squares in 2 ways, for example, as 11675234704 + 11776807441 = 108052^2 + 108521^2 .

It is not a de Polignac number, because 23452042145 - 2⁴ = 23452042129 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 (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47861066 + ... + 47861555.

It is an arithmetic number, because the mean of its divisors is an integer number (2728094727).

Almost surely, 2^23452042145 is an apocalyptic number.

It is an amenable number.

23452042145 is a deficient number, since it is larger than the sum of its proper divisors (9285094579).

23452042145 is an equidigital number, since it uses as much as digits as its factorization.

23452042145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95722640 (or 95722633 counting only the distinct ones).

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

Adding to 23452042145 its reverse (54124025432), we get a palindrome (77576067577).

The spelling of 23452042145 in words is "twenty-three billion, four hundred fifty-two million, forty-two thousand, one hundred forty-five".