123873530 has 32 divisors (see below), whose sum is σ = 243734400. Its totient is φ = 44953920.

The previous prime is 123873527. The next prime is 123873593. The reversal of 123873530 is 35378321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79196 + ... + 80744.

It is an arithmetic number, because the mean of its divisors is an integer number (7616700).

Almost surely, 2^123873530 is an apocalyptic number.

123873530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123873530 is a deficient number, since it is larger than the sum of its proper divisors (119860870).

123873530 is a wasteful number, since it uses less digits than its factorization.

123873530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 123873530 is about 11129.8486063378. The cubic root of 123873530 is about 498.4935055074.

The spelling of 123873530 in words is "one hundred twenty-three million, eight hundred seventy-three thousand, five hundred thirty".