434140023 has 8 divisors (see below), whose sum is σ = 579234688. Its totient is φ = 289236024.

The previous prime is 434140009. The next prime is 434140037. The reversal of 434140023 is 320041434.

It is an interprime number because it is at equal distance from previous prime (434140009) and next prime (434140037).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 434140023 - 2⁵ = 434139991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434140043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42265 + ... + 51522.

It is an arithmetic number, because the mean of its divisors is an integer number (72404336).

Almost surely, 2^434140023 is an apocalyptic number.

434140023 is a deficient number, since it is larger than the sum of its proper divisors (145094665).

434140023 is a wasteful number, since it uses less digits than its factorization.

434140023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95333.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 434140023 is about 20836.0270445207. The cubic root of 434140023 is about 757.1988429147.

Adding to 434140023 its reverse (320041434), we get a palindrome (754181457).

The spelling of 434140023 in words is "four hundred thirty-four million, one hundred forty thousand, twenty-three".