123040670 has 8 divisors (see below), whose sum is σ = 221473224. Its totient is φ = 49216264.

The previous prime is 123040669. The next prime is 123040681. The reversal of 123040670 is 76040321.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 6152024 + ... + 6152043.

It is an arithmetic number, because the mean of its divisors is an integer number (27684153).

Almost surely, 2^123040670 is an apocalyptic number.

123040670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123040670 is a deficient number, since it is larger than the sum of its proper divisors (98432554).

123040670 is a wasteful number, since it uses less digits than its factorization.

123040670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12304074.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 123040670 is about 11092.3699000709. The cubic root of 123040670 is about 497.3737901947.

Adding to 123040670 its reverse (76040321), we get a palindrome (199080991).

The spelling of 123040670 in words is "one hundred twenty-three million, forty thousand, six hundred seventy".