1573620223 has 32 divisors (see below), whose sum is σ = 1936857600. Its totient is φ = 1248597504.

The previous prime is 1573620199. The next prime is 1573620229. The reversal of 1573620223 is 3220263751.

It is a de Polignac number, because none of the positive numbers 2^k-1573620223 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 (1573620229) 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, 1220163 + ... + 1221451.

It is an arithmetic number, because the mean of its divisors is an integer number (60526800).

Almost surely, 2^1573620223 is an apocalyptic number.

1573620223 is a deficient number, since it is larger than the sum of its proper divisors (363237377).

1573620223 is a wasteful number, since it uses less digits than its factorization.

1573620223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 1573620223 is about 39668.8823008665. The cubic root of 1573620223 is about 1163.1435303535.

Adding to 1573620223 its reverse (3220263751), we get a palindrome (4793883974).

The spelling of 1573620223 in words is "one billion, five hundred seventy-three million, six hundred twenty thousand, two hundred twenty-three".