1421401223 has 8 divisors (see below), whose sum is σ = 1579877136. Its totient is φ = 1267801600.

The previous prime is 1421401217. The next prime is 1421401253. The reversal of 1421401223 is 3221041241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1421401223 - 2⁴ = 1421401207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1421401195 and 1421401204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421401253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1218458 + ... + 1219623.

It is an arithmetic number, because the mean of its divisors is an integer number (197484642).

Almost surely, 2^1421401223 is an apocalyptic number.

1421401223 is a deficient number, since it is larger than the sum of its proper divisors (158475913).

1421401223 is a wasteful number, since it uses less digits than its factorization.

1421401223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2438145.

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

The square root of 1421401223 is about 37701.4750772433. The cubic root of 1421401223 is about 1124.3604524287.

Adding to 1421401223 its reverse (3221041241), we get a palindrome (4642442464).

The spelling of 1421401223 in words is "one billion, four hundred twenty-one million, four hundred one thousand, two hundred twenty-three".