123746320 has 40 divisors (see below), whose sum is σ = 292017024. Its totient is φ = 48757632.

The previous prime is 123746317. The next prime is 123746321. The reversal of 123746320 is 23647321.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (123746321) 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, 6184 + ... + 16903.

Almost surely, 2^123746320 is an apocalyptic number.

123746320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123746320 is an abundant number, since it is smaller than the sum of its proper divisors (168270704).

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

123746320 is a wasteful number, since it uses less digits than its factorization.

123746320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23167 (or 23161 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 123746320 is about 11124.1323257142. The cubic root of 123746320 is about 498.3228070045.

The spelling of 123746320 in words is "one hundred twenty-three million, seven hundred forty-six thousand, three hundred twenty".