234340553 has 4 divisors (see below), whose sum is σ = 236615808. Its totient is φ = 232065300.

The previous prime is 234340549. The next prime is 234340559. The reversal of 234340553 is 355043432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 234340553 - 2² = 234340549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234340559) 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, 1137473 + ... + 1137678.

It is an arithmetic number, because the mean of its divisors is an integer number (59153952).

Almost surely, 2^234340553 is an apocalyptic number.

It is an amenable number.

234340553 is a deficient number, since it is larger than the sum of its proper divisors (2275255).

234340553 is a wasteful number, since it uses less digits than its factorization.

234340553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275254.

The product of its (nonzero) digits is 21600, while the sum is 29.

The square root of 234340553 is about 15308.1858167452. The cubic root of 234340553 is about 616.5228113756.

Adding to 234340553 its reverse (355043432), we get a palindrome (589383985).

The spelling of 234340553 in words is "two hundred thirty-four million, three hundred forty thousand, five hundred fifty-three".