1421033423 has 4 divisors (see below), whose sum is σ = 1434829968. Its totient is φ = 1407236880.

The previous prime is 1421033401. The next prime is 1421033431. The reversal of 1421033423 is 3243301241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3243301241 = 3229 ⋅1004429.

It is a cyclic number.

It is not a de Polignac number, because 1421033423 - 2¹⁰ = 1421032399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421033483) 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, 6898118 + ... + 6898323.

It is an arithmetic number, because the mean of its divisors is an integer number (358707492).

Almost surely, 2^1421033423 is an apocalyptic number.

1421033423 is a deficient number, since it is larger than the sum of its proper divisors (13796545).

1421033423 is a wasteful number, since it uses less digits than its factorization.

1421033423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13796544.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1421033423 is about 37696.5969684267. The cubic root of 1421033423 is about 1124.2634646954.

Adding to 1421033423 its reverse (3243301241), we get a palindrome (4664334664).

The spelling of 1421033423 in words is "one billion, four hundred twenty-one million, thirty-three thousand, four hundred twenty-three".