123071310 has 24 divisors (see below), whose sum is σ = 319985640. Its totient is φ = 32818992.

The previous prime is 123071309. The next prime is 123071327. The reversal of 123071310 is 13170321.

It is a super-2 number, since 2×123071310² = 30293094690232200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 683640 + ... + 683819.

It is an arithmetic number, because the mean of its divisors is an integer number (13332735).

Almost surely, 2^123071310 is an apocalyptic number.

123071310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123071310 is an abundant number, since it is smaller than the sum of its proper divisors (196914330).

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

123071310 is a wasteful number, since it uses less digits than its factorization.

123071310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367472 (or 1367469 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 123071310 is about 11093.7509436619. The cubic root of 123071310 is about 497.4150726641.

The spelling of 123071310 in words is "one hundred twenty-three million, seventy-one thousand, three hundred ten".