20032423 has 2 divisors, whose sum is σ = 20032424. Its totient is φ = 20032422.

The previous prime is 20032399. The next prime is 20032457. The reversal of 20032423 is 32423002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20032423 - 2⁵ = 20032391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20032397 and 20032406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20032483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10016211 + 10016212.

It is an arithmetic number, because the mean of its divisors is an integer number (10016212).

Almost surely, 2^20032423 is an apocalyptic number.

20032423 is a deficient number, since it is larger than the sum of its proper divisors (1).

20032423 is an equidigital number, since it uses as much as digits as its factorization.

20032423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 20032423 is about 4475.7594886231. The cubic root of 20032423 is about 271.5883650699.

Adding to 20032423 its reverse (32423002), we get a palindrome (52455425).

It can be divided in two parts, 200 and 32423, that added together give a palindrome (32623).

The spelling of 20032423 in words is "twenty million, thirty-two thousand, four hundred twenty-three".