1501330223 has 4 divisors (see below), whose sum is σ = 1501408128. Its totient is φ = 1501252320.

The previous prime is 1501330151. The next prime is 1501330247. The reversal of 1501330223 is 3220331051.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1501330223 - 2¹⁰ = 1501329199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1501330195 and 1501330204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1501330273) 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, 13490 + ... + 56432.

It is an arithmetic number, because the mean of its divisors is an integer number (375352032).

Almost surely, 2^1501330223 is an apocalyptic number.

1501330223 is a deficient number, since it is larger than the sum of its proper divisors (77905).

1501330223 is an equidigital number, since it uses as much as digits as its factorization.

1501330223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77904.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1501330223 is about 38747.0027615040. The cubic root of 1501330223 is about 1145.0525259556.

Adding to 1501330223 its reverse (3220331051), we get a palindrome (4721661274).

The spelling of 1501330223 in words is "one billion, five hundred one million, three hundred thirty thousand, two hundred twenty-three".