234120403 has 4 divisors (see below), whose sum is σ = 255404088. Its totient is φ = 212836720.

The previous prime is 234120391. The next prime is 234120409. The reversal of 234120403 is 304021432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 234120403 - 2¹⁷ = 233989331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234120409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10641826 + ... + 10641847.

It is an arithmetic number, because the mean of its divisors is an integer number (63851022).

Almost surely, 2^234120403 is an apocalyptic number.

234120403 is a deficient number, since it is larger than the sum of its proper divisors (21283685).

234120403 is a wasteful number, since it uses less digits than its factorization.

234120403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21283684.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 234120403 is about 15300.9935298333. The cubic root of 234120403 is about 616.3296878492.

Adding to 234120403 its reverse (304021432), we get a palindrome (538141835).

The spelling of 234120403 in words is "two hundred thirty-four million, one hundred twenty thousand, four hundred three".