234040457 has 4 divisors (see below), whose sum is σ = 267474816. Its totient is φ = 200606100.

The previous prime is 234040451. The next prime is 234040463. The reversal of 234040457 is 754040432.

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 an interprime number because it is at equal distance from previous prime (234040451) and next prime (234040463).

It is a cyclic number.

It is not a de Polignac number, because 234040457 - 2⁴ = 234040441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234040451) 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, 16717169 + ... + 16717182.

It is an arithmetic number, because the mean of its divisors is an integer number (66868704).

Almost surely, 2^234040457 is an apocalyptic number.

It is an amenable number.

234040457 is a deficient number, since it is larger than the sum of its proper divisors (33434359).

234040457 is an equidigital number, since it uses as much as digits as its factorization.

234040457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33434358.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 234040457 is about 15298.3808620390. The cubic root of 234040457 is about 616.2595263680.

Adding to 234040457 its reverse (754040432), we get a palindrome (988080889).

The spelling of 234040457 in words is "two hundred thirty-four million, forty thousand, four hundred fifty-seven".