2545534240123 has 8 divisors (see below), whose sum is σ = 2911858337792. Its totient is φ = 2179879229736.

The previous prime is 2545534240111. The next prime is 2545534240141. The reversal of 2545534240123 is 3210424355452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2545534240123 - 2¹³ = 2545534231931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2545534249123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167263665 + ... + 167278882.

It is an arithmetic number, because the mean of its divisors is an integer number (363982292224).

Almost surely, 2^{2545534240123} is an apocalyptic number.

2545534240123 is a deficient number, since it is larger than the sum of its proper divisors (366324097669).

2545534240123 is a wasteful number, since it uses less digits than its factorization.

2545534240123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334543641.

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 2545534240123 its reverse (3210424355452), we get a palindrome (5755958595575).

The spelling of 2545534240123 in words is "two trillion, five hundred forty-five billion, five hundred thirty-four million, two hundred forty thousand, one hundred twenty-three".