523123005419 has 4 divisors (see below), whose sum is σ = 597854863344. Its totient is φ = 448391147496.

The previous prime is 523123005407. The next prime is 523123005443. The reversal of 523123005419 is 914500321325.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 523123005419 - 2¹⁶ = 523122939883 is a prime.

It is a super-2 number, since 2×523123005419² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523123005319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37365928952 + ... + 37365928965.

It is an arithmetic number, because the mean of its divisors is an integer number (149463715836).

Almost surely, 2^523123005419 is an apocalyptic number.

523123005419 is a deficient number, since it is larger than the sum of its proper divisors (74731857925).

523123005419 is an equidigital number, since it uses as much as digits as its factorization.

523123005419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74731857924.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 523123005419 in words is "five hundred twenty-three billion, one hundred twenty-three million, five thousand, four hundred nineteen".