23030173 has 6 divisors (see below), whose sum is σ = 23237534. Its totient is φ = 22823736.

The previous prime is 23030171. The next prime is 23030197. The reversal of 23030173 is 37103032.

It can be written as a sum of positive squares in only one way, i.e., 17749369 + 5280804 = 4213^2 + 2298^2 .

It is not a de Polignac number, because 23030173 - 2¹ = 23030171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23030173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23030171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59940 + ... + 60322.

Almost surely, 2^23030173 is an apocalyptic number.

It is an amenable number.

23030173 is a deficient number, since it is larger than the sum of its proper divisors (207361).

23030173 is an frugal number, since it uses more digits than its factorization.

23030173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 23030173 is about 4798.9762449923. The cubic root of 23030173 is about 284.5110030616.

It can be divided in two parts, 230 and 30173, that added together give a palindrome (30403).

The spelling of 23030173 in words is "twenty-three million, thirty thousand, one hundred seventy-three".