123893470 has 16 divisors (see below), whose sum is σ = 223444080. Its totient is φ = 49460544.

The previous prime is 123893461. The next prime is 123893507. The reversal of 123893470 is 74398321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6615 + ... + 17074.

It is an arithmetic number, because the mean of its divisors is an integer number (13965255).

Almost surely, 2^123893470 is an apocalyptic number.

123893470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123893470 is a deficient number, since it is larger than the sum of its proper divisors (99550610).

123893470 is a wasteful number, since it uses less digits than its factorization.

123893470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24219.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 123893470 is about 11130.7443596554. The cubic root of 123893470 is about 498.5202516767.

The spelling of 123893470 in words is "one hundred twenty-three million, eight hundred ninety-three thousand, four hundred seventy".