434312153 has 4 divisors (see below), whose sum is σ = 473795088. Its totient is φ = 394829220.

The previous prime is 434312147. The next prime is 434312161. The reversal of 434312153 is 351213434.

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 434312153 - 2⁸ = 434311897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (434311153) 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, 19741451 + ... + 19741472.

It is an arithmetic number, because the mean of its divisors is an integer number (118448772).

Almost surely, 2^434312153 is an apocalyptic number.

It is an amenable number.

434312153 is a deficient number, since it is larger than the sum of its proper divisors (39482935).

434312153 is a wasteful number, since it uses less digits than its factorization.

434312153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39482934.

The product of its digits is 4320, while the sum is 26.

The square root of 434312153 is about 20840.1572210960. The cubic root of 434312153 is about 757.2989023488.

Adding to 434312153 its reverse (351213434), we get a palindrome (785525587).

The spelling of 434312153 in words is "four hundred thirty-four million, three hundred twelve thousand, one hundred fifty-three".