157328323 has 4 divisors (see below), whose sum is σ = 157523128. Its totient is φ = 157133520.

The previous prime is 157328309. The next prime is 157328351. The reversal of 157328323 is 323823751.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 157328323 - 2¹³ = 157320131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157328363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96186 + ... + 97807.

It is an arithmetic number, because the mean of its divisors is an integer number (39380782).

Almost surely, 2^157328323 is an apocalyptic number.

157328323 is a deficient number, since it is larger than the sum of its proper divisors (194805).

157328323 is an equidigital number, since it uses as much as digits as its factorization.

157328323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194804.

The product of its digits is 30240, while the sum is 34.

The square root of 157328323 is about 12543.0587577353. The cubic root of 157328323 is about 539.8448605546.

The spelling of 157328323 in words is "one hundred fifty-seven million, three hundred twenty-eight thousand, three hundred twenty-three".