434156930023 has 4 divisors (see below), whose sum is σ = 435408103080. Its totient is φ = 432905756968.

The previous prime is 434156929949. The next prime is 434156930027. The reversal of 434156930023 is 320039651434.

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 434156930023 - 2⁹ = 434156929511 is a prime.

It is a super-2 number, since 2×434156930023² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434156930027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625586008 + ... + 625586701.

It is an arithmetic number, because the mean of its divisors is an integer number (108852025770).

Almost surely, 2^434156930023 is an apocalyptic number.

434156930023 is a deficient number, since it is larger than the sum of its proper divisors (1251173057).

434156930023 is a wasteful number, since it uses less digits than its factorization.

434156930023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251173056.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 434156930023 in words is "four hundred thirty-four billion, one hundred fifty-six million, nine hundred thirty thousand, twenty-three".