123213002013 has 24 divisors (see below), whose sum is σ = 186393401376. Its totient is φ = 81328698000.

The previous prime is 123213001991. The next prime is 123213002023. The reversal of 123213002013 is 310200312321.

123213002013 is a `hidden beast` number, since 12 + 321 + 300 + 20 + 13 = 666.

It is not a de Polignac number, because 123213002013 - 2⁶ = 123213001949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123213002023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2485603 + ... + 2534688.

It is an arithmetic number, because the mean of its divisors is an integer number (7766391724).

Almost surely, 2^123213002013 is an apocalyptic number.

It is an amenable number.

123213002013 is a deficient number, since it is larger than the sum of its proper divisors (63180399363).

123213002013 is an equidigital number, since it uses as much as digits as its factorization.

123213002013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5020407 (or 5020395 counting only the distinct ones).

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

Adding to 123213002013 its reverse (310200312321), we get a palindrome (433413314334).

The spelling of 123213002013 in words is "one hundred twenty-three billion, two hundred thirteen million, two thousand, thirteen".