3664567123 has 4 divisors (see below), whose sum is σ = 4188076720. Its totient is φ = 3141057528.

The previous prime is 3664567121. The next prime is 3664567129. The reversal of 3664567123 is 3217654663.

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

It is not a de Polignac number, because 3664567123 - 2¹ = 3664567121 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 3664567123.

It is not an unprimeable number, because it can be changed into a prime (3664567121) 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 3 ways as a sum of consecutive naturals, for example, 261754788 + ... + 261754801.

It is an arithmetic number, because the mean of its divisors is an integer number (1047019180).

Almost surely, 2^3664567123 is an apocalyptic number.

3664567123 is a deficient number, since it is larger than the sum of its proper divisors (523509597).

3664567123 is an equidigital number, since it uses as much as digits as its factorization.

3664567123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523509596.

The product of its digits is 544320, while the sum is 43.

The square root of 3664567123 is about 60535.6681882673. The cubic root of 3664567123 is about 1541.7272915486.

The spelling of 3664567123 in words is "three billion, six hundred sixty-four million, five hundred sixty-seven thousand, one hundred twenty-three".