23443421123 has 2 divisors, whose sum is σ = 23443421124. Its totient is φ = 23443421122.

The previous prime is 23443421101. The next prime is 23443421143. The reversal of 23443421123 is 32112434432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23443421123 - 2²⁴ = 23426643907 is a prime.

It is a super-3 number, since 3×23443421123³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (23443421143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11721710561 + 11721710562.

It is an arithmetic number, because the mean of its divisors is an integer number (11721710562).

Almost surely, 2^23443421123 is an apocalyptic number.

23443421123 is a deficient number, since it is larger than the sum of its proper divisors (1).

23443421123 is an equidigital number, since it uses as much as digits as its factorization.

23443421123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 29.

Adding to 23443421123 its reverse (32112434432), we get a palindrome (55555855555).

The spelling of 23443421123 in words is "twenty-three billion, four hundred forty-three million, four hundred twenty-one thousand, one hundred twenty-three".