123353012 has 6 divisors (see below), whose sum is σ = 215867778. Its totient is φ = 61676504.

The previous prime is 123352993. The next prime is 123353033. The reversal of 123353012 is 210353321.

It can be written as a sum of positive squares in only one way, i.e., 114147856 + 9205156 = 10684^2 + 3034^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15419123 + ... + 15419130.

It is an arithmetic number, because the mean of its divisors is an integer number (35977963).

Almost surely, 2^123353012 is an apocalyptic number.

It is an amenable number.

123353012 is a deficient number, since it is larger than the sum of its proper divisors (92514766).

123353012 is a wasteful number, since it uses less digits than its factorization.

123353012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30838257 (or 30838255 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 123353012 is about 11106.4401137358. The cubic root of 123353012 is about 497.7943000837.

It can be divided in two parts, 1233 and 53012, that added together give a palindrome (54245).

The spelling of 123353012 in words is "one hundred twenty-three million, three hundred fifty-three thousand, twelve".