1423420323 has 16 divisors (see below), whose sum is σ = 2045638560. Its totient is φ = 875199744.

The previous prime is 1423420309. The next prime is 1423420331. The reversal of 1423420323 is 3230243241.

It is not a de Polignac number, because 1423420323 - 2⁵ = 1423420291 is a prime.

It is a super-2 number, since 2×1423420323² = 4052250831858848658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1423420293 and 1423420302.

It is not an unprimeable number, because it can be changed into a prime (1423420363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32263 + ... + 62351.

It is an arithmetic number, because the mean of its divisors is an integer number (127852410).

Almost surely, 2^1423420323 is an apocalyptic number.

1423420323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1423420323 is a deficient number, since it is larger than the sum of its proper divisors (622218237).

1423420323 is a wasteful number, since it uses less digits than its factorization.

1423420323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31318.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 1423420323 is about 37728.2430415200. The cubic root of 1423420323 is about 1124.8925851024.

Adding to 1423420323 its reverse (3230243241), we get a palindrome (4653663564).

The spelling of 1423420323 in words is "one billion, four hundred twenty-three million, four hundred twenty thousand, three hundred twenty-three".