3155231123 has 8 divisors (see below), whose sum is σ = 3446662656. Its totient is φ = 2864565000.

The previous prime is 3155231113. The next prime is 3155231159. The reversal of 3155231123 is 3211325513.

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

It is a de Polignac number, because none of the positive numbers 2^k-3155231123 is a prime.

It is a super-2 number, since 2×3155231123² = 19910966879095682258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3155231092 and 3155231101.

It is not an unprimeable number, because it can be changed into a prime (3155231113) 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, 182711 + ... + 199232.

It is an arithmetic number, because the mean of its divisors is an integer number (430832832).

Almost surely, 2^3155231123 is an apocalyptic number.

3155231123 is a deficient number, since it is larger than the sum of its proper divisors (291431533).

3155231123 is a wasteful number, since it uses less digits than its factorization.

3155231123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382705.

The product of its digits is 2700, while the sum is 26.

The square root of 3155231123 is about 56171.4440174009. Note that the first 3 decimals coincide. The cubic root of 3155231123 is about 1466.7082192142.

Adding to 3155231123 its reverse (3211325513), we get a palindrome (6366556636).

The spelling of 3155231123 in words is "three billion, one hundred fifty-five million, two hundred thirty-one thousand, one hundred twenty-three".