15132157223 has 2 divisors, whose sum is σ = 15132157224. Its totient is φ = 15132157222.

The previous prime is 15132157207. The next prime is 15132157247. The reversal of 15132157223 is 32275123151.

It is a weak prime.

It is an emirp because it is prime and its reverse (32275123151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15132157223 - 2⁴ = 15132157207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15132157223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15132159223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7566078611 + 7566078612.

It is an arithmetic number, because the mean of its divisors is an integer number (7566078612).

Almost surely, 2^15132157223 is an apocalyptic number.

15132157223 is a deficient number, since it is larger than the sum of its proper divisors (1).

15132157223 is an equidigital number, since it uses as much as digits as its factorization.

15132157223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 32.

The spelling of 15132157223 in words is "fifteen billion, one hundred thirty-two million, one hundred fifty-seven thousand, two hundred twenty-three".