123487430 has 32 divisors (see below), whose sum is σ = 242945568. Its totient is φ = 44819200.

The previous prime is 123487393. The next prime is 123487433. The reversal of 123487430 is 34784321.

It is a super-3 number, since 3×123487430³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123487433) 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 15 ways as a sum of consecutive naturals, for example, 102914 + ... + 104106.

It is an arithmetic number, because the mean of its divisors is an integer number (7592049).

Almost surely, 2^123487430 is an apocalyptic number.

123487430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123487430 is a deficient number, since it is larger than the sum of its proper divisors (119458138).

123487430 is a wasteful number, since it uses less digits than its factorization.

123487430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 123487430 is about 11112.4898200178. The cubic root of 123487430 is about 497.9750502277.

The spelling of 123487430 in words is "one hundred twenty-three million, four hundred eighty-seven thousand, four hundred thirty".