213230123001 has 32 divisors (see below), whose sum is σ = 361101312000. Its totient is φ = 121819876560.

The previous prime is 213230122981. The next prime is 213230123011. The reversal of 213230123001 is 100321032312.

213230123001 is a `hidden beast` number, since 2 + 132 + 301 + 230 + 0 + 1 = 666.

It is not a de Polignac number, because 213230123001 - 2²¹ = 213228025849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213230123011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 789466 + ... + 1024556.

It is an arithmetic number, because the mean of its divisors is an integer number (11284416000).

Almost surely, 2^213230123001 is an apocalyptic number.

213230123001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

213230123001 is a deficient number, since it is larger than the sum of its proper divisors (147871188999).

213230123001 is a wasteful number, since it uses less digits than its factorization.

213230123001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239906 (or 239900 counting only the distinct ones).

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

Adding to 213230123001 its reverse (100321032312), we get a palindrome (313551155313).

The spelling of 213230123001 in words is "two hundred thirteen billion, two hundred thirty million, one hundred twenty-three thousand, one".