155412323 has 8 divisors (see below), whose sum is σ = 172320816. Its totient is φ = 138967200.

The previous prime is 155412319. The next prime is 155412349. The reversal of 155412323 is 323214551.

It is a happy number.

155412323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 155412323 - 2² = 155412319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155412292 and 155412301.

It is not an unprimeable number, because it can be changed into a prime (155418323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115136 + ... + 116477.

It is an arithmetic number, because the mean of its divisors is an integer number (21540102).

Almost surely, 2^155412323 is an apocalyptic number.

155412323 is a deficient number, since it is larger than the sum of its proper divisors (16908493).

155412323 is a wasteful number, since it uses less digits than its factorization.

155412323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231685.

The product of its digits is 3600, while the sum is 26.

The square root of 155412323 is about 12466.4478902372. The cubic root of 155412323 is about 537.6444297649.

Adding to 155412323 its reverse (323214551), we get a palindrome (478626874).

The spelling of 155412323 in words is "one hundred fifty-five million, four hundred twelve thousand, three hundred twenty-three".