150015128323 has 2 divisors, whose sum is σ = 150015128324. Its totient is φ = 150015128322.

The previous prime is 150015128317. The next prime is 150015128509. The reversal of 150015128323 is 323821510051.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 150015128323 - 2²¹ = 150013031171 is a prime.

It is not a weakly prime, because it can be changed into another prime (150015120323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75007564161 + 75007564162.

It is an arithmetic number, because the mean of its divisors is an integer number (75007564162).

Almost surely, 2^150015128323 is an apocalyptic number.

150015128323 is a deficient number, since it is larger than the sum of its proper divisors (1).

150015128323 is an equidigital number, since it uses as much as digits as its factorization.

150015128323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 150015128323 its reverse (323821510051), we get a palindrome (473836638374).

The spelling of 150015128323 in words is "one hundred fifty billion, fifteen million, one hundred twenty-eight thousand, three hundred twenty-three".