23020243434 has 24 divisors (see below), whose sum is σ = 50343340320. Its totient is φ = 7601699688.

The previous prime is 23020243429. The next prime is 23020243447. The reversal of 23020243434 is 43434202032.

23020243434 is a `hidden beast` number, since 23 + 0 + 202 + 4 + 3 + 434 = 666.

It is a super-2 number, since 2×23020243434² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23020243398 and 23020243407.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5974254 + ... + 5978105.

It is an arithmetic number, because the mean of its divisors is an integer number (2097639180).

Almost surely, 2^23020243434 is an apocalyptic number.

23020243434 is an abundant number, since it is smaller than the sum of its proper divisors (27323096886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23020243434 is a wasteful number, since it uses less digits than its factorization.

23020243434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11952474 (or 11952471 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 23020243434 its reverse (43434202032), we get a palindrome (66454445466).

The spelling of 23020243434 in words is "twenty-three billion, twenty million, two hundred forty-three thousand, four hundred thirty-four".