23530045 has 24 divisors (see below), whose sum is σ = 35836128. Its totient is φ = 14666400.

The previous prime is 23530043. The next prime is 23530051. The reversal of 23530045 is 54003532.

It is not a de Polignac number, because 23530045 - 2¹ = 23530043 is a prime.

It is a super-3 number, since 3×23530045³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23529998 and 23530025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23530043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1671 + ... + 7060.

It is an arithmetic number, because the mean of its divisors is an integer number (1493172).

Almost surely, 2^23530045 is an apocalyptic number.

It is an amenable number.

23530045 is a deficient number, since it is larger than the sum of its proper divisors (12306083).

23530045 is a wasteful number, since it uses less digits than its factorization.

23530045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8761 (or 8754 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 23530045 is about 4850.7777726876. Note that the first 5 decimals coincide. The cubic root of 23530045 is about 286.5547329053.

Adding to 23530045 its reverse (54003532), we get a palindrome (77533577).

The spelling of 23530045 in words is "twenty-three million, five hundred thirty thousand, forty-five".