1423422031 has 4 divisors (see below), whose sum is σ = 1498339000. Its totient is φ = 1348505064.

The previous prime is 1423422017. The next prime is 1423422041. The reversal of 1423422031 is 1302243241.

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 1423422031 - 2¹¹ = 1423419983 is a prime.

It is a super-2 number, since 2×1423422031² = 4052260556672329922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1423421993 and 1423422011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423422001) 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, 37458456 + ... + 37458493.

It is an arithmetic number, because the mean of its divisors is an integer number (374584750).

Almost surely, 2^1423422031 is an apocalyptic number.

1423422031 is a deficient number, since it is larger than the sum of its proper divisors (74916969).

1423422031 is an equidigital number, since it uses as much as digits as its factorization.

1423422031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74916968.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1423422031 is about 37728.2656770756. The cubic root of 1423422031 is about 1124.8930350317.

Adding to 1423422031 its reverse (1302243241), we get a palindrome (2725665272).

The spelling of 1423422031 in words is "one billion, four hundred twenty-three million, four hundred twenty-two thousand, thirty-one".