23545330 has 32 divisors (see below), whose sum is σ = 44561664. Its totient is φ = 8940096.

The previous prime is 23545321. The next prime is 23545339. The reversal of 23545330 is 3354532.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23545321) and next prime (23545339).

It is a junction number, because it is equal to n+sod(n) for n = 23545295 and 23545304.

It is not an unprimeable number, because it can be changed into a prime (23545339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38104 + ... + 38716.

It is an arithmetic number, because the mean of its divisors is an integer number (1392552).

Almost surely, 2^23545330 is an apocalyptic number.

23545330 is a deficient number, since it is larger than the sum of its proper divisors (21016334).

23545330 is a wasteful number, since it uses less digits than its factorization.

23545330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 23545330 is about 4852.3530374448. The cubic root of 23545330 is about 286.6167676503.

Adding to 23545330 its reverse (3354532), we get a palindrome (26899862).

The spelling of 23545330 in words is "twenty-three million, five hundred forty-five thousand, three hundred thirty".