1423003034021 has 4 divisors (see below), whose sum is σ = 1423012153632. Its totient is φ = 1422993914412.

The previous prime is 1423003033999. The next prime is 1423003034027. The reversal of 1423003034021 is 1204303003241.

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 1423003034021 - 2²⁶ = 1422935925157 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 (1423003034027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4321601 + ... + 4639206.

It is an arithmetic number, because the mean of its divisors is an integer number (355753038408).

Almost surely, 2^{1423003034021} is an apocalyptic number.

It is an amenable number.

1423003034021 is a deficient number, since it is larger than the sum of its proper divisors (9119611).

1423003034021 is an equidigital number, since it uses as much as digits as its factorization.

1423003034021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9119610.

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

Adding to 1423003034021 its reverse (1204303003241), we get a palindrome (2627306037262).

The spelling of 1423003034021 in words is "one trillion, four hundred twenty-three billion, three million, thirty-four thousand, twenty-one".