5211417123 has 54 divisors (see below), whose sum is σ = 8601021156. Its totient is φ = 3150932400.

The previous prime is 5211417097. The next prime is 5211417137. The reversal of 5211417123 is 3217141125.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

5211417123 is a `hidden beast` number, since 521 + 1 + 4 + 17 + 123 = 666.

It is not a de Polignac number, because 5211417123 - 2¹² = 5211413027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5211417143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 12378453 + ... + 12378873.

Almost surely, 2^5211417123 is an apocalyptic number.

5211417123 is a deficient number, since it is larger than the sum of its proper divisors (3389604033).

5211417123 is an frugal number, since it uses more digits than its factorization.

5211417123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 435 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 5211417123 is about 72190.1456086632. The cubic root of 5211417123 is about 1733.7452272326.

Multiplying 5211417123 by its sum of digits (27), we get a square (140708262321 = 375111²).

5211417123 divided by its sum of digits (27) gives a square (193015449 = 13893²).

Adding to 5211417123 its reverse (3217141125), we get a palindrome (8428558248).

The spelling of 5211417123 in words is "five billion, two hundred eleven million, four hundred seventeen thousand, one hundred twenty-three".