52540043123 has 8 divisors (see below), whose sum is σ = 55518374400. Its totient is φ = 49619543688.

The previous prime is 52540043117. The next prime is 52540043177. The reversal of 52540043123 is 32134004525.

It is a happy number.

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 52540043123 - 2¹⁰ = 52540042099 is a prime.

It is a super-2 number, since 2×52540043123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52540040123) 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, 14456093 + ... + 14459726.

It is an arithmetic number, because the mean of its divisors is an integer number (6939796800).

Almost surely, 2^52540043123 is an apocalyptic number.

52540043123 is a deficient number, since it is larger than the sum of its proper divisors (2978331277).

52540043123 is a wasteful number, since it uses less digits than its factorization.

52540043123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28915921.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 52540043123 its reverse (32134004525), we get a palindrome (84674047648).

The spelling of 52540043123 in words is "fifty-two billion, five hundred forty million, forty-three thousand, one hundred twenty-three".