123467690 has 16 divisors (see below), whose sum is σ = 222736392. Its totient is φ = 49277184.

The previous prime is 123467689. The next prime is 123467713. The reversal of 123467690 is 96764321.

It can be written as a sum of positive squares in 4 ways, for example, as 122921569 + 546121 = 11087^2 + 739^2 .

It is a super-2 number, since 2×123467690² = 30488540947872200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8939 + ... + 18078.

Almost surely, 2^123467690 is an apocalyptic number.

123467690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123467690 is a deficient number, since it is larger than the sum of its proper divisors (99268702).

123467690 is a wasteful number, since it uses less digits than its factorization.

123467690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27481.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 123467690 is about 11111.6015947297. The cubic root of 123467690 is about 497.9485143249.

The spelling of 123467690 in words is "one hundred twenty-three million, four hundred sixty-seven thousand, six hundred ninety".