123449146 has 4 divisors (see below), whose sum is σ = 185173722. Its totient is φ = 61724572.

The previous prime is 123449129. The next prime is 123449147. The reversal of 123449146 is 641944321.

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

It can be written as a sum of positive squares in only one way, i.e., 114383025 + 9066121 = 10695^2 + 3011^2 .

It is not an unprimeable number, because it can be changed into a prime (123449147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30862285 + ... + 30862288.

Almost surely, 2^123449146 is an apocalyptic number.

123449146 is a deficient number, since it is larger than the sum of its proper divisors (61724576).

123449146 is an equidigital number, since it uses as much as digits as its factorization.

123449146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61724575.

The product of its digits is 20736, while the sum is 34.

The square root of 123449146 is about 11110.7671202307. The cubic root of 123449146 is about 497.9235835931.

The spelling of 123449146 in words is "one hundred twenty-three million, four hundred forty-nine thousand, one hundred forty-six".