123452646 has 16 divisors (see below), whose sum is σ = 253578864. Its totient is φ = 40038624.

The previous prime is 123452639. The next prime is 123452647. The reversal of 123452646 is 646254321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123452647) 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, 277825 + ... + 278268.

It is an arithmetic number, because the mean of its divisors is an integer number (15848679).

Almost surely, 2^123452646 is an apocalyptic number.

123452646 is an abundant number, since it is smaller than the sum of its proper divisors (130126218).

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

123452646 is a wasteful number, since it uses less digits than its factorization.

123452646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556135.

The product of its digits is 34560, while the sum is 33.

The square root of 123452646 is about 11110.9246239906. The cubic root of 123452646 is about 497.9282892179.

The spelling of 123452646 in words is "one hundred twenty-three million, four hundred fifty-two thousand, six hundred forty-six".