123012302223 has 16 divisors (see below), whose sum is σ = 164832028416. Its totient is φ = 81600570240.

The previous prime is 123012302219. The next prime is 123012302233. The reversal of 123012302223 is 322203210321.

It is a happy number.

It is not a de Polignac number, because 123012302223 - 2² = 123012302219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123012302223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123012302213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3028990 + ... + 3069332.

It is an arithmetic number, because the mean of its divisors is an integer number (10302001776).

Almost surely, 2^123012302223 is an apocalyptic number.

123012302223 is a deficient number, since it is larger than the sum of its proper divisors (41819726193).

123012302223 is a wasteful number, since it uses less digits than its factorization.

123012302223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45374.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 123012302223 its reverse (322203210321), we get a palindrome (445215512544).

The spelling of 123012302223 in words is "one hundred twenty-three billion, twelve million, three hundred two thousand, two hundred twenty-three".