434023110021 has 4 divisors (see below), whose sum is σ = 578697480032. Its totient is φ = 289348740012.

The previous prime is 434023109953. The next prime is 434023110029. The reversal of 434023110021 is 120011320434.

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 not a de Polignac number, because 434023110021 - 2¹³ = 434023101829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 434023110021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434023110029) 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, 72337185001 + ... + 72337185006.

It is an arithmetic number, because the mean of its divisors is an integer number (144674370008).

Almost surely, 2^434023110021 is an apocalyptic number.

It is an amenable number.

434023110021 is a deficient number, since it is larger than the sum of its proper divisors (144674370011).

434023110021 is a wasteful number, since it uses less digits than its factorization.

434023110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144674370010.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 434023110021 its reverse (120011320434), we get a palindrome (554034430455).

The spelling of 434023110021 in words is "four hundred thirty-four billion, twenty-three million, one hundred ten thousand, twenty-one".