1679226523 has 4 divisors (see below), whose sum is σ = 1808397808. Its totient is φ = 1550055240.

The previous prime is 1679226511. The next prime is 1679226547. The reversal of 1679226523 is 3256229761.

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 1679226523 - 2⁵ = 1679226491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1679226523.

It is not an unprimeable number, because it can be changed into a prime (1679226503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64585623 + ... + 64585648.

It is an arithmetic number, because the mean of its divisors is an integer number (452099452).

Almost surely, 2^1679226523 is an apocalyptic number.

1679226523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1679226523 is a deficient number, since it is larger than the sum of its proper divisors (129171285).

1679226523 is a wasteful number, since it uses less digits than its factorization.

1679226523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129171284.

The product of its digits is 272160, while the sum is 43.

The square root of 1679226523 is about 40978.3665243016. The cubic root of 1679226523 is about 1188.6019225897.

The spelling of 1679226523 in words is "one billion, six hundred seventy-nine million, two hundred twenty-six thousand, five hundred twenty-three".