123212442303 has 80 divisors (see below), whose sum is σ = 196856352000. Its totient is φ = 76630095360.

The previous prime is 123212442299. The next prime is 123212442329. The reversal of 123212442303 is 303244212321.

123212442303 is a `hidden beast` number, since 1 + 2 + 3 + 212 + 442 + 3 + 0 + 3 = 666.

It is not a de Polignac number, because 123212442303 - 2² = 123212442299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123212442343) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 76386325 + ... + 76387937.

It is an arithmetic number, because the mean of its divisors is an integer number (2460704400).

Almost surely, 2^123212442303 is an apocalyptic number.

123212442303 is a deficient number, since it is larger than the sum of its proper divisors (73643909697).

123212442303 is a wasteful number, since it uses less digits than its factorization.

123212442303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734 (or 2725 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 123212442303 its reverse (303244212321), we get a palindrome (426456654624).

The spelling of 123212442303 in words is "one hundred twenty-three billion, two hundred twelve million, four hundred forty-two thousand, three hundred three".