420123022 has 16 divisors (see below), whose sum is σ = 723657600. Its totient is φ = 180914040.

The previous prime is 420123017. The next prime is 420123097. The reversal of 420123022 is 220321024.

It is a super-2 number, since 2×420123022² = 353006707228824968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420122987 and 420123005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502122 + ... + 502957.

It is an arithmetic number, because the mean of its divisors is an integer number (45228600).

Almost surely, 2^420123022 is an apocalyptic number.

420123022 is a deficient number, since it is larger than the sum of its proper divisors (303534578).

420123022 is a wasteful number, since it uses less digits than its factorization.

420123022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005111.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 420123022 is about 20496.9027416339. The cubic root of 420123022 is about 748.9603503188.

Adding to 420123022 its reverse (220321024), we get a palindrome (640444046).

The spelling of 420123022 in words is "four hundred twenty million, one hundred twenty-three thousand, twenty-two".