2015013223 has 2 divisors, whose sum is σ = 2015013224. Its totient is φ = 2015013222.

The previous prime is 2015013211. The next prime is 2015013269. The reversal of 2015013223 is 3223105102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2015013223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2015013223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2015013523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007506611 + 1007506612.

It is an arithmetic number, because the mean of its divisors is an integer number (1007506612).

Almost surely, 2^2015013223 is an apocalyptic number.

2015013223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015013223 is an equidigital number, since it uses as much as digits as its factorization.

2015013223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2015013223 is about 44888.8986610275. The cubic root of 2015013223 is about 1263.0657735132.

Adding to 2015013223 its reverse (3223105102), we get a palindrome (5238118325).

The spelling of 2015013223 in words is "two billion, fifteen million, thirteen thousand, two hundred twenty-three".