144723523 has 16 divisors (see below), whose sum is σ = 168143040. Its totient is φ = 122006016.

The previous prime is 144723517. The next prime is 144723569. The reversal of 144723523 is 325327441.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 144723523 - 2¹³ = 144715331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144723823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144661 + ... + 145657.

It is an arithmetic number, because the mean of its divisors is an integer number (10508940).

Almost surely, 2^144723523 is an apocalyptic number.

144723523 is a deficient number, since it is larger than the sum of its proper divisors (23419517).

144723523 is an equidigital number, since it uses as much as digits as its factorization.

144723523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326.

The product of its digits is 20160, while the sum is 31.

The square root of 144723523 is about 12030.1090186249. The cubic root of 144723523 is about 525.0246676240.

The spelling of 144723523 in words is "one hundred forty-four million, seven hundred twenty-three thousand, five hundred twenty-three".