123449196 has 48 divisors (see below), whose sum is σ = 317788128. Its totient is φ = 37056000.

The previous prime is 123449171. The next prime is 123449197. The reversal of 123449196 is 691944321.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (123449197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3255 + ... + 16046.

It is an arithmetic number, because the mean of its divisors is an integer number (6620586).

Almost surely, 2^123449196 is an apocalyptic number.

It is an amenable number.

123449196 is an abundant number, since it is smaller than the sum of its proper divisors (194338932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123449196 is a wasteful number, since it uses less digits than its factorization.

123449196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19362 (or 19360 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 123449196 is about 11110.7693703002. The cubic root of 123449196 is about 497.9236508170.

The spelling of 123449196 in words is "one hundred twenty-three million, four hundred forty-nine thousand, one hundred ninety-six".