444321421021023 has 32 divisors (see below), whose sum is σ = 729146397213696. Its totient is φ = 234366201093888.

The previous prime is 444321421020979. The next prime is 444321421021061. The reversal of 444321421021023 is 320120124123444.

It is not a de Polignac number, because 444321421021023 - 2⁹ = 444321421020511 is a prime.

It is a super-3 number, since 3×444321421021023³ (a number of 45 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444321421022023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53704590 + ... + 61423332.

It is an arithmetic number, because the mean of its divisors is an integer number (22785824912928).

Almost surely, 2^{444321421021023} is an apocalyptic number.

444321421021023 is a deficient number, since it is larger than the sum of its proper divisors (284824976192673).

444321421021023 is a wasteful number, since it uses less digits than its factorization.

444321421021023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7929623.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 444321421021023 its reverse (320120124123444), we get a palindrome (764441545144467).

The spelling of 444321421021023 in words is "four hundred forty-four trillion, three hundred twenty-one billion, four hundred twenty-one million, twenty-one thousand, twenty-three".