155113323 has 4 divisors (see below), whose sum is σ = 206817768. Its totient is φ = 103408880.

The previous prime is 155113313. The next prime is 155113333. The reversal of 155113323 is 323311551.

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

It is an interprime number because it is at equal distance from previous prime (155113313) and next prime (155113333).

It is a cyclic number.

It is not a de Polignac number, because 155113323 - 2⁴ = 155113307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155113293 and 155113302.

It is not an unprimeable number, because it can be changed into a prime (155113313) 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, 25852218 + ... + 25852223.

It is an arithmetic number, because the mean of its divisors is an integer number (51704442).

Almost surely, 2^155113323 is an apocalyptic number.

155113323 is a deficient number, since it is larger than the sum of its proper divisors (51704445).

155113323 is an equidigital number, since it uses as much as digits as its factorization.

155113323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51704444.

The product of its digits is 1350, while the sum is 24.

The square root of 155113323 is about 12454.4499276363. The cubic root of 155113323 is about 537.2994144639.

Adding to 155113323 its reverse (323311551), we get a palindrome (478424874).

The spelling of 155113323 in words is "one hundred fifty-five million, one hundred thirteen thousand, three hundred twenty-three".