23630145 has 64 divisors (see below), whose sum is σ = 48384000. Its totient is φ = 9561600.

The previous prime is 23630137. The next prime is 23630147. The reversal of 23630145 is 54103632.

It is a happy number.

It is not a de Polignac number, because 23630145 - 2³ = 23630137 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (23630147) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47106 + ... + 47604.

It is an arithmetic number, because the mean of its divisors is an integer number (756000).

Almost surely, 2^23630145 is an apocalyptic number.

It is an amenable number.

23630145 is an abundant number, since it is smaller than the sum of its proper divisors (24753855).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23630145 is a wasteful number, since it uses less digits than its factorization.

23630145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 23630145 is about 4861.0847554841. The cubic root of 23630145 is about 286.9605055991.

Adding to 23630145 its reverse (54103632), we get a palindrome (77733777).

It can be divided in two parts, 236 and 30145, that added together give a triangular number (30381 = T₂₄₆).

The spelling of 23630145 in words is "twenty-three million, six hundred thirty thousand, one hundred forty-five".