1023223325445 has 12 divisors (see below), whose sum is σ = 1773587097516. Its totient is φ = 545719106880.

The previous prime is 1023223325441. The next prime is 1023223325471. The reversal of 1023223325445 is 5445233223201.

1023223325445 is a `hidden beast` number, since 1 + 0 + 2 + 322 + 3 + 325 + 4 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 591913270881 + 431310054564 = 769359^2 + 656742^2 .

It is not a de Polignac number, because 1023223325445 - 2² = 1023223325441 is a prime.

It is a super-5 number, since 5×1023223325445⁵ (a number of 61 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023223325441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11369148016 + ... + 11369148105.

It is an arithmetic number, because the mean of its divisors is an integer number (147798924793).

Almost surely, 2^{1023223325445} is an apocalyptic number.

1023223325445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1023223325445 is a deficient number, since it is larger than the sum of its proper divisors (750363772071).

1023223325445 is a wasteful number, since it uses less digits than its factorization.

1023223325445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22738296132 (or 22738296129 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 1023223325445 its reverse (5445233223201), we get a palindrome (6468456548646).

The spelling of 1023223325445 in words is "one trillion, twenty-three billion, two hundred twenty-three million, three hundred twenty-five thousand, four hundred forty-five".