4023121423 has 2 divisors, whose sum is σ = 4023121424. Its totient is φ = 4023121422.

The previous prime is 4023121411. The next prime is 4023121457. The reversal of 4023121423 is 3241213204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4023121423 - 2¹⁷ = 4022990351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4023121394 and 4023121403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4023121523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2011560711 + 2011560712.

It is an arithmetic number, because the mean of its divisors is an integer number (2011560712).

Almost surely, 2^4023121423 is an apocalyptic number.

4023121423 is a deficient number, since it is larger than the sum of its proper divisors (1).

4023121423 is an equidigital number, since it uses as much as digits as its factorization.

4023121423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4023121423 is about 63428.0807135136. The cubic root of 4023121423 is about 1590.4537585247.

Adding to 4023121423 its reverse (3241213204), we get a palindrome (7264334627).

The spelling of 4023121423 in words is "four billion, twenty-three million, one hundred twenty-one thousand, four hundred twenty-three".