123012253 has 8 divisors (see below), whose sum is σ = 151399808. Its totient is φ = 97328304.

The previous prime is 123012223. The next prime is 123012271. The reversal of 123012253 is 352210321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123012253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123012253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123012203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675801 + ... + 675982.

It is an arithmetic number, because the mean of its divisors is an integer number (18924976).

Almost surely, 2^123012253 is an apocalyptic number.

123012253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

123012253 is a deficient number, since it is larger than the sum of its proper divisors (28387555).

123012253 is a wasteful number, since it uses less digits than its factorization.

123012253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351803.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 123012253 is about 11091.0889005544. The cubic root of 123012253 is about 497.3354967338.

Adding to 123012253 its reverse (352210321), we get a palindrome (475222574).

The spelling of 123012253 in words is "one hundred twenty-three million, twelve thousand, two hundred fifty-three".