123146680 has 16 divisors (see below), whose sum is σ = 277080120. Its totient is φ = 49258656.

The previous prime is 123146651. The next prime is 123146689. The reversal of 123146680 is 86641321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123146689) 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, 1539294 + ... + 1539373.

Almost surely, 2^123146680 is an apocalyptic number.

123146680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123146680 is an abundant number, since it is smaller than the sum of its proper divisors (153933440).

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

123146680 is a wasteful number, since it uses less digits than its factorization.

123146680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078678 (or 3078674 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 123146680 is about 11097.1473811967. The cubic root of 123146680 is about 497.5165924619.

The spelling of 123146680 in words is "one hundred twenty-three million, one hundred forty-six thousand, six hundred eighty".