234521105 has 64 divisors (see below), whose sum is σ = 360998400. Its totient is φ = 145297152.

The previous prime is 234521101. The next prime is 234521129. The reversal of 234521105 is 501125432.

It is not a de Polignac number, because 234521105 - 2² = 234521101 is a prime.

234521105 is a modest number, since divided by 21105 gives 2345 as remainder.

It is not an unprimeable number, because it can be changed into a prime (234521101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1493687 + ... + 1493843.

It is an arithmetic number, because the mean of its divisors is an integer number (5640600).

Almost surely, 2^234521105 is an apocalyptic number.

It is an amenable number.

234521105 is a deficient number, since it is larger than the sum of its proper divisors (126477295).

234521105 is a wasteful number, since it uses less digits than its factorization.

234521105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 234521105 is about 15314.0819182868. The cubic root of 234521105 is about 616.6811078511.

Adding to 234521105 its reverse (501125432), we get a palindrome (735646537).

It can be divided in two parts, 2345 and 21105, that multiplied together give a square (49491225 = 7035²).

The spelling of 234521105 in words is "two hundred thirty-four million, five hundred twenty-one thousand, one hundred five".