1422420023 has 4 divisors (see below), whose sum is σ = 1422567720. Its totient is φ = 1422272328.

The previous prime is 1422420017. The next prime is 1422420037. The reversal of 1422420023 is 3200242241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1422420023 - 2¹⁴ = 1422403639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1422419977 and 1422420004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422410023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58313 + ... + 79026.

It is an arithmetic number, because the mean of its divisors is an integer number (355641930).

Almost surely, 2^1422420023 is an apocalyptic number.

1422420023 is a deficient number, since it is larger than the sum of its proper divisors (147697).

1422420023 is a wasteful number, since it uses less digits than its factorization.

1422420023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147696.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1422420023 is about 37714.9840646924. The cubic root of 1422420023 is about 1124.6290195389.

Adding to 1422420023 its reverse (3200242241), we get a palindrome (4622662264).

The spelling of 1422420023 in words is "one billion, four hundred twenty-two million, four hundred twenty thousand, twenty-three".