123795760 has 40 divisors (see below), whose sum is σ = 313993296. Its totient is φ = 45016320.

The previous prime is 123795743. The next prime is 123795767. The reversal of 123795760 is 67597321.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (123795767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69459 + ... + 71218.

Almost surely, 2^123795760 is an apocalyptic number.

123795760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123795760 is an abundant number, since it is smaller than the sum of its proper divisors (190197536).

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

123795760 is a wasteful number, since it uses less digits than its factorization.

123795760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140701 (or 140695 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 123795760 is about 11126.3542995898. The cubic root of 123795760 is about 498.3891626458.

The spelling of 123795760 in words is "one hundred twenty-three million, seven hundred ninety-five thousand, seven hundred sixty".