123345276646 has 8 divisors (see below), whose sum is σ = 185020321464. Its totient is φ = 61671836160.

The previous prime is 123345276617. The next prime is 123345276647. The reversal of 123345276646 is 646672543321.

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

It is a self number, because there is not a number n which added to its sum of digits gives 123345276646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123345276647) 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, 185755 + ... + 530278.

It is an arithmetic number, because the mean of its divisors is an integer number (23127540183).

Almost surely, 2^123345276646 is an apocalyptic number.

123345276646 is a deficient number, since it is larger than the sum of its proper divisors (61675044818).

123345276646 is an equidigital number, since it uses as much as digits as its factorization.

123345276646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802166.

The product of its digits is 4354560, while the sum is 49.

The spelling of 123345276646 in words is "one hundred twenty-three billion, three hundred forty-five million, two hundred seventy-six thousand, six hundred forty-six".