416821123 has 6 divisors (see below), whose sum is σ = 420692244. Its totient is φ = 412985304.

The previous prime is 416821117. The next prime is 416821127. The reversal of 416821123 is 321128614.

It is not a de Polignac number, because 416821123 - 2⁵ = 416821091 is a prime.

It is a super-2 number, since 2×416821123² = 347479697157962258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 416821091 and 416821100.

It is not an unprimeable number, because it can be changed into a prime (416821127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5661 + ... + 29422.

It is an arithmetic number, because the mean of its divisors is an integer number (70115374).

Almost surely, 2^416821123 is an apocalyptic number.

416821123 is a deficient number, since it is larger than the sum of its proper divisors (3871121).

416821123 is an equidigital number, since it uses as much as digits as its factorization.

416821123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35301 (or 35192 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 416821123 is about 20416.1975646789. The cubic root of 416821123 is about 746.9930705373.

Adding to 416821123 its reverse (321128614), we get a palindrome (737949737).

The spelling of 416821123 in words is "four hundred sixteen million, eight hundred twenty-one thousand, one hundred twenty-three".