144631923 has 4 divisors (see below), whose sum is σ = 192842568. Its totient is φ = 96421280.

The previous prime is 144631913. The next prime is 144631943. The reversal of 144631923 is 329136441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144631923 - 2⁹ = 144631411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144631913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24105318 + ... + 24105323.

It is an arithmetic number, because the mean of its divisors is an integer number (48210642).

Almost surely, 2^144631923 is an apocalyptic number.

144631923 is a deficient number, since it is larger than the sum of its proper divisors (48210645).

144631923 is an equidigital number, since it uses as much as digits as its factorization.

144631923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48210644.

The product of its digits is 15552, while the sum is 33.

The square root of 144631923 is about 12026.3013017303. The cubic root of 144631923 is about 524.9138761220.

The spelling of 144631923 in words is "one hundred forty-four million, six hundred thirty-one thousand, nine hundred twenty-three".