23503146 has 32 divisors (see below), whose sum is σ = 51383808. Its totient is φ = 7134720.

The previous prime is 23503087. The next prime is 23503147. The reversal of 23503146 is 64130532.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23503147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555 + ... + 6878.

It is an arithmetic number, because the mean of its divisors is an integer number (1605744).

Almost surely, 2^23503146 is an apocalyptic number.

23503146 is an abundant number, since it is smaller than the sum of its proper divisors (27880662).

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

23503146 is a wasteful number, since it uses less digits than its factorization.

23503146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7486.

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

The square root of 23503146 is about 4848.0043316812. The cubic root of 23503146 is about 286.4454970348.

Adding to 23503146 its reverse (64130532), we get a palindrome (87633678).

The spelling of 23503146 in words is "twenty-three million, five hundred three thousand, one hundred forty-six".