1023302440321 has 4 divisors (see below), whose sum is σ = 1169488503232. Its totient is φ = 877116377412.

The previous prime is 1023302440261. The next prime is 1023302440361. The reversal of 1023302440321 is 1230442033201.

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 1023302440321 - 2²⁵ = 1023268885889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1023302440361) 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, 73093031445 + ... + 73093031458.

It is an arithmetic number, because the mean of its divisors is an integer number (292372125808).

Almost surely, 2^{1023302440321} is an apocalyptic number.

It is an amenable number.

1023302440321 is a deficient number, since it is larger than the sum of its proper divisors (146186062911).

1023302440321 is an equidigital number, since it uses as much as digits as its factorization.

1023302440321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146186062910.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1023302440321 its reverse (1230442033201), we get a palindrome (2253744473522).

The spelling of 1023302440321 in words is "one trillion, twenty-three billion, three hundred two million, four hundred forty thousand, three hundred twenty-one".