1412023421 has 4 divisors (see below), whose sum is σ = 1419912000. Its totient is φ = 1404134844.

The previous prime is 1412023391. The next prime is 1412023423. The reversal of 1412023421 is 1243202141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1412023421 - 2⁶ = 1412023357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1412023393 and 1412023402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1412023423) 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, 3944021 + ... + 3944378.

It is an arithmetic number, because the mean of its divisors is an integer number (354978000).

Almost surely, 2^1412023421 is an apocalyptic number.

It is an amenable number.

1412023421 is a deficient number, since it is larger than the sum of its proper divisors (7888579).

1412023421 is an equidigital number, since it uses as much as digits as its factorization.

1412023421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7888578.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1412023421 is about 37576.9000983317. The cubic root of 1412023421 is about 1121.8823101465.

Adding to 1412023421 its reverse (1243202141), we get a palindrome (2655225562).

The spelling of 1412023421 in words is "one billion, four hundred twelve million, twenty-three thousand, four hundred twenty-one".