144455723 has 2 divisors, whose sum is σ = 144455724. Its totient is φ = 144455722.

The previous prime is 144455711. The next prime is 144455743. The reversal of 144455723 is 327554441.

It is a weak prime.

It is an emirp because it is prime and its reverse (327554441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144455723 - 2¹² = 144451627 is a prime.

It is not a weakly prime, because it can be changed into another prime (144455743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72227861 + 72227862.

It is an arithmetic number, because the mean of its divisors is an integer number (72227862).

Almost surely, 2^144455723 is an apocalyptic number.

144455723 is a deficient number, since it is larger than the sum of its proper divisors (1).

144455723 is an equidigital number, since it uses as much as digits as its factorization.

144455723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67200, while the sum is 35.

The square root of 144455723 is about 12018.9734586611. The cubic root of 144455723 is about 524.7006281116.

The spelling of 144455723 in words is "one hundred forty-four million, four hundred fifty-five thousand, seven hundred twenty-three".