2445273223723 has 4 divisors (see below), whose sum is σ = 2667570789528. Its totient is φ = 2222975657920.

The previous prime is 2445273223709. The next prime is 2445273223787. The reversal of 2445273223723 is 3273223725442.

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 2445273223723 - 2¹³ = 2445273215531 is a prime.

It is a super-2 number, since 2×2445273223723² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2445273223123) 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, 111148782886 + ... + 111148782907.

It is an arithmetic number, because the mean of its divisors is an integer number (666892697382).

Almost surely, 2^{2445273223723} is an apocalyptic number.

2445273223723 is a deficient number, since it is larger than the sum of its proper divisors (222297565805).

2445273223723 is a wasteful number, since it uses less digits than its factorization.

2445273223723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222297565804.

The product of its digits is 3386880, while the sum is 46.

The spelling of 2445273223723 in words is "two trillion, four hundred forty-five billion, two hundred seventy-three million, two hundred twenty-three thousand, seven hundred twenty-three".