234011520 has 96 divisors (see below), whose sum is σ = 808090920. Its totient is φ = 62401536.

The previous prime is 234011507. The next prime is 234011521. The reversal of 234011520 is 25110432.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×234011520² = 109522782985420800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 234011493 and 234011502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234011521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14554 + ... + 26073.

Almost surely, 2^234011520 is an apocalyptic number.

234011520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234011520 is an abundant number, since it is smaller than the sum of its proper divisors (574079400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234011520 is a wasteful number, since it uses less digits than its factorization.

234011520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40652 (or 40637 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 234011520 is about 15297.4350791236. The cubic root of 234011520 is about 616.2341270031.

Adding to 234011520 its reverse (25110432), we get a palindrome (259121952).

The spelling of 234011520 in words is "two hundred thirty-four million, eleven thousand, five hundred twenty".