1421154014223 has 4 divisors (see below), whose sum is σ = 1894872018968. Its totient is φ = 947436009480.

The previous prime is 1421154014213. The next prime is 1421154014227. The reversal of 1421154014223 is 3224104511241.

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

It is not a de Polignac number, because 1421154014223 - 2⁸ = 1421154013967 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 (1421154014227) 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, 236859002368 + ... + 236859002373.

It is an arithmetic number, because the mean of its divisors is an integer number (473718004742).

Almost surely, 2^{1421154014223} is an apocalyptic number.

1421154014223 is a deficient number, since it is larger than the sum of its proper divisors (473718004745).

1421154014223 is an equidigital number, since it uses as much as digits as its factorization.

1421154014223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473718004744.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 1421154014223 its reverse (3224104511241), we get a palindrome (4645258525464).

The spelling of 1421154014223 in words is "one trillion, four hundred twenty-one billion, one hundred fifty-four million, fourteen thousand, two hundred twenty-three".