15012145223 has 12 divisors (see below), whose sum is σ = 15275975400. Its totient is φ = 14752747152.

The previous prime is 15012145217. The next prime is 15012145231. The reversal of 15012145223 is 32254121051.

It is not a de Polignac number, because 15012145223 - 2³⁰ = 13938403399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15012145192 and 15012145201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15012145723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1984853 + ... + 1992401.

It is an arithmetic number, because the mean of its divisors is an integer number (1272997950).

Almost surely, 2^15012145223 is an apocalyptic number.

15012145223 is a deficient number, since it is larger than the sum of its proper divisors (263830177).

15012145223 is an frugal number, since it uses more digits than its factorization.

15012145223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8126 (or 8059 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 15012145223 its reverse (32254121051), we get a palindrome (47266266274).

The spelling of 15012145223 in words is "fifteen billion, twelve million, one hundred forty-five thousand, two hundred twenty-three".