15228645323 has 2 divisors, whose sum is σ = 15228645324. Its totient is φ = 15228645322.

The previous prime is 15228645301. The next prime is 15228645389. The reversal of 15228645323 is 32354682251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15228645323 - 2¹⁴ = 15228628939 is a prime.

It is not a weakly prime, because it can be changed into another prime (15228615323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7614322661 + 7614322662.

It is an arithmetic number, because the mean of its divisors is an integer number (7614322662).

Almost surely, 2^15228645323 is an apocalyptic number.

15228645323 is a deficient number, since it is larger than the sum of its proper divisors (1).

15228645323 is an equidigital number, since it uses as much as digits as its factorization.

15228645323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 41.

The spelling of 15228645323 in words is "fifteen billion, two hundred twenty-eight million, six hundred forty-five thousand, three hundred twenty-three".