15003045323 has 4 divisors (see below), whose sum is σ = 17146337520. Its totient is φ = 12859753128.

The previous prime is 15003045319. The next prime is 15003045353. The reversal of 15003045323 is 32354030051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32354030051 = 7 ⋅4622004293.

It is a cyclic number.

It is not a de Polignac number, because 15003045323 - 2² = 15003045319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15003045292 and 15003045301.

It is not an unprimeable number, because it can be changed into a prime (15003045353) 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, 1071646088 + ... + 1071646101.

It is an arithmetic number, because the mean of its divisors is an integer number (4286584380).

Almost surely, 2^15003045323 is an apocalyptic number.

15003045323 is a deficient number, since it is larger than the sum of its proper divisors (2143292197).

15003045323 is an equidigital number, since it uses as much as digits as its factorization.

15003045323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143292196.

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 15003045323 its reverse (32354030051), we get a palindrome (47357075374).

The spelling of 15003045323 in words is "fifteen billion, three million, forty-five thousand, three hundred twenty-three".