155430323 has 4 divisors (see below), whose sum is σ = 155476848. Its totient is φ = 155383800.

The previous prime is 155430313. The next prime is 155430329. The reversal of 155430323 is 323034551.

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 155430323 - 2⁴ = 155430307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155430292 and 155430301.

It is not an unprimeable number, because it can be changed into a prime (155430329) 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, 17828 + ... + 25073.

It is an arithmetic number, because the mean of its divisors is an integer number (38869212).

Almost surely, 2^155430323 is an apocalyptic number.

155430323 is a deficient number, since it is larger than the sum of its proper divisors (46525).

155430323 is an equidigital number, since it uses as much as digits as its factorization.

155430323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46524.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 155430323 is about 12467.1698071375. The cubic root of 155430323 is about 537.6651857898.

Adding to 155430323 its reverse (323034551), we get a palindrome (478464874).

The spelling of 155430323 in words is "one hundred fifty-five million, four hundred thirty thousand, three hundred twenty-three".