2423121336431 has 4 divisors (see below), whose sum is σ = 2501286540864. Its totient is φ = 2344956132000.

The previous prime is 2423121336407. The next prime is 2423121336439. The reversal of 2423121336431 is 1346331213242.

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 2423121336431 - 2¹⁴ = 2423121320047 is a prime.

It is a super-2 number, since 2×2423121336431² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2423121336391 and 2423121336400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2423121336439) 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, 39082602170 + ... + 39082602231.

It is an arithmetic number, because the mean of its divisors is an integer number (625321635216).

Almost surely, 2^{2423121336431} is an apocalyptic number.

2423121336431 is a deficient number, since it is larger than the sum of its proper divisors (78165204433).

2423121336431 is an equidigital number, since it uses as much as digits as its factorization.

2423121336431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78165204432.

The product of its digits is 62208, while the sum is 35.

Adding to 2423121336431 its reverse (1346331213242), we get a palindrome (3769452549673).

The spelling of 2423121336431 in words is "two trillion, four hundred twenty-three billion, one hundred twenty-one million, three hundred thirty-six thousand, four hundred thirty-one".