123816460 has 12 divisors (see below), whose sum is σ = 260014608. Its totient is φ = 49526576.

The previous prime is 123816443. The next prime is 123816461. The reversal of 123816460 is 64618321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (123816461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3095392 + ... + 3095431.

It is an arithmetic number, because the mean of its divisors is an integer number (21667884).

Almost surely, 2^123816460 is an apocalyptic number.

123816460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123816460 is an abundant number, since it is smaller than the sum of its proper divisors (136198148).

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

123816460 is a wasteful number, since it uses less digits than its factorization.

123816460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6190832 (or 6190830 counting only the distinct ones).

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

The square root of 123816460 is about 11127.2844845452. The cubic root of 123816460 is about 498.4169397972.

The spelling of 123816460 in words is "one hundred twenty-three million, eight hundred sixteen thousand, four hundred sixty".