123345276672 has 36 divisors (see below), whose sum is σ = 328278316520. Its totient is φ = 41115091968.

The previous prime is 123345276671. The next prime is 123345276697. The reversal of 123345276672 is 276672543321.

It is a super-3 number, since 3×123345276672³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123345276671) 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, 80302147 + ... + 80303682.

Almost surely, 2^123345276672 is an apocalyptic number.

123345276672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123345276672 is an abundant number, since it is smaller than the sum of its proper divisors (204933039848).

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

123345276672 is an equidigital number, since it uses as much as digits as its factorization.

123345276672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160605848 (or 160605834 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 48.

The spelling of 123345276672 in words is "one hundred twenty-three billion, three hundred forty-five million, two hundred seventy-six thousand, six hundred seventy-two".