4123251433145 has 16 divisors (see below), whose sum is σ = 5338358960592. Its totient is φ = 3039234359040.

The previous prime is 4123251433111. The next prime is 4123251433153. The reversal of 4123251433145 is 5413341523214.

It can be written as a sum of positive squares in 8 ways, for example, as 130560091561 + 3992691341584 = 361331^2 + 1998172^2 .

It is not a de Polignac number, because 4123251433145 - 2⁸ = 4123251432889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4123251433099 and 4123251433108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58592042 + ... + 58662371.

It is an arithmetic number, because the mean of its divisors is an integer number (333647435037).

Almost surely, 2^{4123251433145} is an apocalyptic number.

It is an amenable number.

4123251433145 is a deficient number, since it is larger than the sum of its proper divisors (1215107527447).

4123251433145 is a wasteful number, since it uses less digits than its factorization.

4123251433145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117254972.

The product of its digits is 172800, while the sum is 38.

Adding to 4123251433145 its reverse (5413341523214), we get a palindrome (9536592956359).

The spelling of 4123251433145 in words is "four trillion, one hundred twenty-three billion, two hundred fifty-one million, four hundred thirty-three thousand, one hundred forty-five".