123809763 has 16 divisors (see below), whose sum is σ = 205814016. Its totient is φ = 64316640.

The previous prime is 123809761. The next prime is 123809773. The reversal of 123809763 is 367908321.

It is not a de Polignac number, because 123809763 - 2¹ = 123809761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123809761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267756 + ... + 268217.

It is an arithmetic number, because the mean of its divisors is an integer number (12863376).

Almost surely, 2^123809763 is an apocalyptic number.

123809763 is a deficient number, since it is larger than the sum of its proper divisors (82004253).

123809763 is a wasteful number, since it uses less digits than its factorization.

123809763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535994.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 123809763 is about 11126.9835535063. The cubic root of 123809763 is about 498.4079534894.

The spelling of 123809763 in words is "one hundred twenty-three million, eight hundred nine thousand, seven hundred sixty-three".