157306323 has 8 divisors (see below), whose sum is σ = 209945536. Its totient is φ = 104769000.

The previous prime is 157306319. The next prime is 157306333. The reversal of 157306323 is 323603751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157306323 - 2² = 157306319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157306333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21793 + ... + 28098.

It is an arithmetic number, because the mean of its divisors is an integer number (26243192).

Almost surely, 2^157306323 is an apocalyptic number.

157306323 is a deficient number, since it is larger than the sum of its proper divisors (52639213).

157306323 is a wasteful number, since it uses less digits than its factorization.

157306323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50945.

The product of its (nonzero) digits is 11340, while the sum is 30.

The square root of 157306323 is about 12542.1817480054. The cubic root of 157306323 is about 539.8196963199.

The spelling of 157306323 in words is "one hundred fifty-seven million, three hundred six thousand, three hundred twenty-three".