1420421241023 has 4 divisors (see below), whose sum is σ = 1466241281088. Its totient is φ = 1374601200960.

The previous prime is 1420421241013. The next prime is 1420421241059. The reversal of 1420421241023 is 3201421240241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1420421241023 - 2¹⁶ = 1420421175487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1420421240983 and 1420421241001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420421241013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22910019986 + ... + 22910020047.

It is an arithmetic number, because the mean of its divisors is an integer number (366560320272).

Almost surely, 2^{1420421241023} is an apocalyptic number.

1420421241023 is a deficient number, since it is larger than the sum of its proper divisors (45820040065).

1420421241023 is an equidigital number, since it uses as much as digits as its factorization.

1420421241023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45820040064.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1420421241023 its reverse (3201421240241), we get a palindrome (4621842481264).

The spelling of 1420421241023 in words is "one trillion, four hundred twenty billion, four hundred twenty-one million, two hundred forty-one thousand, twenty-three".