412728523 has 4 divisors (see below), whose sum is σ = 412786888. Its totient is φ = 412670160.

The previous prime is 412728517. The next prime is 412728553. The reversal of 412728523 is 325827214.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325827214 = 2 ⋅162913607.

It is a cyclic number.

It is not a de Polignac number, because 412728523 - 2¹³ = 412720331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (412728553) 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, 16833 + ... + 33298.

It is an arithmetic number, because the mean of its divisors is an integer number (103196722).

Almost surely, 2^412728523 is an apocalyptic number.

412728523 is a deficient number, since it is larger than the sum of its proper divisors (58365).

412728523 is an equidigital number, since it uses as much as digits as its factorization.

412728523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58364.

The product of its digits is 26880, while the sum is 34.

The square root of 412728523 is about 20315.7210799912. The cubic root of 412728523 is about 744.5402162760.

The spelling of 412728523 in words is "four hundred twelve million, seven hundred twenty-eight thousand, five hundred twenty-three".