545011240353023 has 16 divisors (see below), whose sum is σ = 561517933084416. Its totient is φ = 528825969035520.

The previous prime is 545011240352993. The next prime is 545011240353031. The reversal of 545011240353023 is 320353042110545.

It is a cyclic number.

It is not a de Polignac number, because 545011240353023 - 2²⁰ = 545011239304447 is a prime.

It is a super-2 number, since 2×545011240353023² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545011240383023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257322611 + ... + 259431972.

It is an arithmetic number, because the mean of its divisors is an integer number (35094870817776).

Almost surely, 2^{545011240353023} is an apocalyptic number.

545011240353023 is a deficient number, since it is larger than the sum of its proper divisors (16506692731393).

545011240353023 is a wasteful number, since it uses less digits than its factorization.

545011240353023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516754894.

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 545011240353023 its reverse (320353042110545), we get a palindrome (865364282463568).

The spelling of 545011240353023 in words is "five hundred forty-five trillion, eleven billion, two hundred forty million, three hundred fifty-three thousand, twenty-three".