144072923 has 4 divisors (see below), whose sum is σ = 144869088. Its totient is φ = 143276760.

The previous prime is 144072917. The next prime is 144072937. The reversal of 144072923 is 329270441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 329270441 = 1433 ⋅229777.

It is a cyclic number.

It is not a de Polignac number, because 144072923 - 2²⁰ = 143024347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144072923.

It is not an unprimeable number, because it can be changed into a prime (144072913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397811 + ... + 398172.

It is an arithmetic number, because the mean of its divisors is an integer number (36217272).

Almost surely, 2^144072923 is an apocalyptic number.

144072923 is a deficient number, since it is larger than the sum of its proper divisors (796165).

144072923 is an equidigital number, since it uses as much as digits as its factorization.

144072923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796164.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 144072923 is about 12003.0380737545. The cubic root of 144072923 is about 524.2367418387.

The spelling of 144072923 in words is "one hundred forty-four million, seventy-two thousand, nine hundred twenty-three".