2015151223 has 8 divisors (see below), whose sum is σ = 2042891280. Its totient is φ = 1987576320.

The previous prime is 2015151211. The next prime is 2015151227. The reversal of 2015151223 is 3221515102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2015151223 - 2¹⁷ = 2015020151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2015151194 and 2015151203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015151227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16618 + ... + 65623.

It is an arithmetic number, because the mean of its divisors is an integer number (255361410).

Almost surely, 2^2015151223 is an apocalyptic number.

2015151223 is a deficient number, since it is larger than the sum of its proper divisors (27740057).

2015151223 is a wasteful number, since it uses less digits than its factorization.

2015151223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82577.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 2015151223 is about 44890.4357630888. The cubic root of 2015151223 is about 1263.0946069217.

Adding to 2015151223 its reverse (3221515102), we get a palindrome (5236666325).

The spelling of 2015151223 in words is "two billion, fifteen million, one hundred fifty-one thousand, two hundred twenty-three".