123218070 has 32 divisors (see below), whose sum is σ = 296352000. Its totient is φ = 32788320.

The previous prime is 123218027. The next prime is 123218093. The reversal of 123218070 is 70812321.

It is a self number, because there is not a number n which added to its sum of digits gives 123218070.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10855 + ... + 19085.

It is an arithmetic number, because the mean of its divisors is an integer number (9261000).

Almost surely, 2^123218070 is an apocalyptic number.

123218070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123218070 is an abundant number, since it is smaller than the sum of its proper divisors (173133930).

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

123218070 is a wasteful number, since it uses less digits than its factorization.

123218070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8740.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 123218070 is about 11100.3635075614. The cubic root of 123218070 is about 497.6127131974.

The spelling of 123218070 in words is "one hundred twenty-three million, two hundred eighteen thousand, seventy".