123213201 has 16 divisors (see below), whose sum is σ = 167413824. Its totient is φ = 80587584.

The previous prime is 123213197. The next prime is 123213203. The reversal of 123213201 is 102312321.

It is not a de Polignac number, because 123213201 - 2² = 123213197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123213203) 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, 54571 + ... + 56783.

It is an arithmetic number, because the mean of its divisors is an integer number (10463364).

Almost surely, 2^123213201 is an apocalyptic number.

It is an amenable number.

123213201 is a deficient number, since it is larger than the sum of its proper divisors (44200623).

123213201 is a wasteful number, since it uses less digits than its factorization.

123213201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 123213201 is about 11100.1441882527. The cubic root of 123213201 is about 497.6061586712.

Adding to 123213201 its reverse (102312321), we get a palindrome (225525522).

The spelling of 123213201 in words is "one hundred twenty-three million, two hundred thirteen thousand, two hundred one".