64123300111 has 16 divisors (see below), whose sum is σ = 70477900416. Its totient is φ = 57975630336.

The previous prime is 64123300067. The next prime is 64123300117. The reversal of 64123300111 is 11100332146.

It is not a de Polignac number, because 64123300111 - 2²⁵ = 64089745679 is a prime.

It is a super-2 number, since 2×64123300111² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64123300117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330106 + ... + 487048.

It is an arithmetic number, because the mean of its divisors is an integer number (4404868776).

Almost surely, 2^64123300111 is an apocalyptic number.

64123300111 is a deficient number, since it is larger than the sum of its proper divisors (6354600305).

64123300111 is a wasteful number, since it uses less digits than its factorization.

64123300111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157602.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 64123300111 its reverse (11100332146), we get a palindrome (75223632257).

The spelling of 64123300111 in words is "sixty-four billion, one hundred twenty-three million, three hundred thousand, one hundred eleven".