402200042423 has 2 divisors, whose sum is σ = 402200042424. Its totient is φ = 402200042422.

The previous prime is 402200042353. The next prime is 402200042473. The reversal of 402200042423 is 324240002204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402200042423 - 2¹² = 402200038327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402200042473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201100021211 + 201100021212.

It is an arithmetic number, because the mean of its divisors is an integer number (201100021212).

Almost surely, 2^402200042423 is an apocalyptic number.

402200042423 is a deficient number, since it is larger than the sum of its proper divisors (1).

402200042423 is an equidigital number, since it uses as much as digits as its factorization.

402200042423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 402200042423 its reverse (324240002204), we get a palindrome (726440044627).

The spelling of 402200042423 in words is "four hundred two billion, two hundred million, forty-two thousand, four hundred twenty-three".