43241212423 has 2 divisors, whose sum is σ = 43241212424. Its totient is φ = 43241212422.

The previous prime is 43241212387. The next prime is 43241212433. The reversal of 43241212423 is 32421214234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43241212423 - 2²⁵ = 43207657991 is a prime.

It is a super-2 number, since 2×43241212423² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43241212391 and 43241212400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43241212433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21620606211 + 21620606212.

It is an arithmetic number, because the mean of its divisors is an integer number (21620606212).

Almost surely, 2^43241212423 is an apocalyptic number.

43241212423 is a deficient number, since it is larger than the sum of its proper divisors (1).

43241212423 is an equidigital number, since it uses as much as digits as its factorization.

43241212423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 28.

Adding to 43241212423 its reverse (32421214234), we get a palindrome (75662426657).

The spelling of 43241212423 in words is "forty-three billion, two hundred forty-one million, two hundred twelve thousand, four hundred twenty-three".