234681111 has 16 divisors (see below), whose sum is σ = 397344000. Its totient is φ = 134103384.

The previous prime is 234681061. The next prime is 234681131. The reversal of 234681111 is 111186432.

It is a happy number.

It is not a de Polignac number, because 234681111 - 2¹¹ = 234679063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234681131) 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 15 ways as a sum of consecutive naturals, for example, 620661 + ... + 621038.

It is an arithmetic number, because the mean of its divisors is an integer number (24834000).

Almost surely, 2^234681111 is an apocalyptic number.

234681111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

234681111 is a deficient number, since it is larger than the sum of its proper divisors (162662889).

234681111 is a wasteful number, since it uses less digits than its factorization.

234681111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241715 (or 1241709 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 234681111 is about 15319.3051735384. The cubic root of 234681111 is about 616.8213230149.

The spelling of 234681111 in words is "two hundred thirty-four million, six hundred eighty-one thousand, one hundred eleven".