1234320111 has 24 divisors (see below), whose sum is σ = 1832996880. Its totient is φ = 799808256.

The previous prime is 1234320083. The next prime is 1234320137. The reversal of 1234320111 is 1110234321.

1234320111 is a `hidden beast` number, since 1 + 234 + 320 + 111 = 666.

It is not a de Polignac number, because 1234320111 - 2¹⁴ = 1234303727 is a prime.

It is a super-2 number, since 2×1234320111² = 3047092272838104642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234320151) 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 23 ways as a sum of consecutive naturals, for example, 622720 + ... + 624698.

It is an arithmetic number, because the mean of its divisors is an integer number (76374870).

Almost surely, 2^1234320111 is an apocalyptic number.

1234320111 is a deficient number, since it is larger than the sum of its proper divisors (598676769).

1234320111 is a wasteful number, since it uses less digits than its factorization.

1234320111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3895 (or 3892 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1234320111 is about 35132.8921525114. The cubic root of 1234320111 is about 1072.6942064405.

Adding to 1234320111 its reverse (1110234321), we get a palindrome (2344554432).

It can be divided in two parts, 123 and 4320111, that added together give a palindrome (4320234).

The spelling of 1234320111 in words is "one billion, two hundred thirty-four million, three hundred twenty thousand, one hundred eleven".