520123314542354 has 8 divisors (see below), whose sum is σ = 783882530922288. Its totient is φ = 258829137568260.

The previous prime is 520123314542329. The next prime is 520123314542399. The reversal of 520123314542354 is 453245413321025.

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

It is a super-2 number, since 2×520123314542354² (a number of 30 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 616259850932 + ... + 616259851775.

It is an arithmetic number, because the mean of its divisors is an integer number (97985316365286).

Almost surely, 2^{520123314542354} is an apocalyptic number.

520123314542354 is a deficient number, since it is larger than the sum of its proper divisors (263759216379934).

520123314542354 is a wasteful number, since it uses less digits than its factorization.

520123314542354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232519702920.

The product of its (nonzero) digits is 1728000, while the sum is 44.

Adding to 520123314542354 its reverse (453245413321025), we get a palindrome (973368727863379).

The spelling of 520123314542354 in words is "five hundred twenty trillion, one hundred twenty-three billion, three hundred fourteen million, five hundred forty-two thousand, three hundred fifty-four".