144628723 has 2 divisors, whose sum is σ = 144628724. Its totient is φ = 144628722.

The previous prime is 144628711. The next prime is 144628739. The reversal of 144628723 is 327826441.

It is a weak prime.

It is an emirp because it is prime and its reverse (327826441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144628723 - 2⁵ = 144628691 is a prime.

It is a super-2 number, since 2×144628723² = 41834935033221458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144628793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72314361 + 72314362.

It is an arithmetic number, because the mean of its divisors is an integer number (72314362).

Almost surely, 2^144628723 is an apocalyptic number.

144628723 is a deficient number, since it is larger than the sum of its proper divisors (1).

144628723 is an equidigital number, since it uses as much as digits as its factorization.

144628723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 37.

The square root of 144628723 is about 12026.1682592586. The cubic root of 144628723 is about 524.9100048310.

The spelling of 144628723 in words is "one hundred forty-four million, six hundred twenty-eight thousand, seven hundred twenty-three".