123196331 has 4 divisors (see below), whose sum is σ = 130443192. Its totient is φ = 115949472.

The previous prime is 123196309. The next prime is 123196357. The reversal of 123196331 is 133691321.

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 123196331 - 2¹⁰ = 123195307 is a prime.

It is a super-2 number, since 2×123196331² = 30354671943723122, 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 = 123196294 and 123196303.

It is not an unprimeable number, because it can be changed into a prime (123196531) 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, 3623405 + ... + 3623438.

It is an arithmetic number, because the mean of its divisors is an integer number (32610798).

Almost surely, 2^123196331 is an apocalyptic number.

123196331 is a deficient number, since it is larger than the sum of its proper divisors (7246861).

123196331 is an equidigital number, since it uses as much as digits as its factorization.

123196331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7246860.

The product of its digits is 2916, while the sum is 29.

The square root of 123196331 is about 11099.3842622012. The cubic root of 123196331 is about 497.5834473627.

The spelling of 123196331 in words is "one hundred twenty-three million, one hundred ninety-six thousand, three hundred thirty-one".