123213030000 has 100 divisors (see below), whose sum is σ = 397748186088. Its totient is φ = 32856800000.

The previous prime is 123213029999. The next prime is 123213030007. The reversal of 123213030000 is 30312321.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123213030007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2023551 + ... + 2083550.

Almost surely, 2^123213030000 is an apocalyptic number.

123213030000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123213030000 is an abundant number, since it is smaller than the sum of its proper divisors (274535156088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123213030000 is an equidigital number, since it uses as much as digits as its factorization.

123213030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4107132 (or 4107111 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 123213030000 its reverse (30312321), we get a palindrome (123243342321).

The spelling of 123213030000 in words is "one hundred twenty-three billion, two hundred thirteen million, thirty thousand".