45443021223 has 4 divisors (see below), whose sum is σ = 60590694968. Its totient is φ = 30295347480.

The previous prime is 45443021209. The next prime is 45443021237. The reversal of 45443021223 is 32212034454.

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

It is an interprime number because it is at equal distance from previous prime (45443021209) and next prime (45443021237).

It is not a de Polignac number, because 45443021223 - 2²⁴ = 45426244007 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 (45443021423) 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, 7573836868 + ... + 7573836873.

It is an arithmetic number, because the mean of its divisors is an integer number (15147673742).

Almost surely, 2^45443021223 is an apocalyptic number.

45443021223 is a deficient number, since it is larger than the sum of its proper divisors (15147673745).

45443021223 is a wasteful number, since it uses less digits than its factorization.

45443021223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15147673744.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 45443021223 its reverse (32212034454), we get a palindrome (77655055677).

The spelling of 45443021223 in words is "forty-five billion, four hundred forty-three million, twenty-one thousand, two hundred twenty-three".