234028011 has 16 divisors (see below), whose sum is σ = 357516288. Its totient is φ = 133392000.

The previous prime is 234028007. The next prime is 234028027. The reversal of 234028011 is 110820432.

It is not a de Polignac number, because 234028011 - 2² = 234028007 is a prime.

It is a super-2 number, since 2×234028011² = 109538219865232242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (234028031) 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, 5475 + ... + 22316.

It is an arithmetic number, because the mean of its divisors is an integer number (22344768).

Almost surely, 2^234028011 is an apocalyptic number.

234028011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

234028011 is a deficient number, since it is larger than the sum of its proper divisors (123488277).

234028011 is a wasteful number, since it uses less digits than its factorization.

234028011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28202.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 234028011 is about 15297.9740815573. The cubic root of 234028011 is about 616.2486021854.

Adding to 234028011 its reverse (110820432), we get a palindrome (344848443).

It can be divided in two parts, 23402 and 8011, that added together give a palindrome (31413).

The spelling of 234028011 in words is "two hundred thirty-four million, twenty-eight thousand, eleven".