23195144 has 16 divisors (see below), whose sum is σ = 49704000. Its totient is φ = 9940752.

The previous prime is 23195141. The next prime is 23195147. The reversal of 23195144 is 44159132.

It is an interprime number because it is at equal distance from previous prime (23195141) and next prime (23195147).

It is not an unprimeable number, because it can be changed into a prime (23195141) 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 3 ways as a sum of consecutive naturals, for example, 207044 + ... + 207155.

It is an arithmetic number, because the mean of its divisors is an integer number (3106500).

Almost surely, 2^23195144 is an apocalyptic number.

It is an amenable number.

23195144 is an abundant number, since it is smaller than the sum of its proper divisors (26508856).

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

23195144 is a wasteful number, since it uses less digits than its factorization.

23195144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414212 (or 414208 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 23195144 is about 4816.1337190738. The cubic root of 23195144 is about 285.1887290011.

The spelling of 23195144 in words is "twenty-three million, one hundred ninety-five thousand, one hundred forty-four".