1223323101 has 64 divisors (see below), whose sum is σ = 2433392640. Its totient is φ = 586595520.

The previous prime is 1223323099. The next prime is 1223323121. The reversal of 1223323101 is 1013233221.

1223323101 is a `hidden beast` number, since 1 + 22 + 332 + 310 + 1 = 666.

It is not a de Polignac number, because 1223323101 - 2¹ = 1223323099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223323121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4396 + ... + 49658.

It is an arithmetic number, because the mean of its divisors is an integer number (38021760).

Almost surely, 2^1223323101 is an apocalyptic number.

1223323101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1223323101 is a deficient number, since it is larger than the sum of its proper divisors (1210069539).

1223323101 is a wasteful number, since it uses less digits than its factorization.

1223323101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45303 (or 45297 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1223323101 is about 34976.0360961616. The cubic root of 1223323101 is about 1069.4990233463.

Adding to 1223323101 its reverse (1013233221), we get a palindrome (2236556322).

The spelling of 1223323101 in words is "one billion, two hundred twenty-three million, three hundred twenty-three thousand, one hundred one".