402222401423 has 2 divisors, whose sum is σ = 402222401424. Its totient is φ = 402222401422.

The previous prime is 402222401309. The next prime is 402222401443. The reversal of 402222401423 is 324104222204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402222401423 - 2²⁰ = 402221352847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402222401392 and 402222401401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402222401443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201111200711 + 201111200712.

It is an arithmetic number, because the mean of its divisors is an integer number (201111200712).

Almost surely, 2^402222401423 is an apocalyptic number.

402222401423 is a deficient number, since it is larger than the sum of its proper divisors (1).

402222401423 is an equidigital number, since it uses as much as digits as its factorization.

402222401423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 402222401423 its reverse (324104222204), we get a palindrome (726326623627).

The spelling of 402222401423 in words is "four hundred two billion, two hundred twenty-two million, four hundred one thousand, four hundred twenty-three".