23487145 has 8 divisors (see below), whose sum is σ = 30746880. Its totient is φ = 17081520.

The previous prime is 23487131. The next prime is 23487151. The reversal of 23487145 is 54178432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23487145 - 2⁷ = 23487017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23487145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213465 + ... + 213574.

It is an arithmetic number, because the mean of its divisors is an integer number (3843360).

Almost surely, 2^23487145 is an apocalyptic number.

It is an amenable number.

23487145 is a deficient number, since it is larger than the sum of its proper divisors (7259735).

23487145 is a wasteful number, since it uses less digits than its factorization.

23487145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427055.

The product of its digits is 26880, while the sum is 34.

The square root of 23487145 is about 4846.3537840319. The cubic root of 23487145 is about 286.3804780096.

It can be divided in two parts, 23487 and 145, that added together give a palindrome (23632).

The spelling of 23487145 in words is "twenty-three million, four hundred eighty-seven thousand, one hundred forty-five".