123213004010 has 64 divisors (see below), whose sum is σ = 226230343200. Its totient is φ = 48306585600.

The previous prime is 123213003997. The next prime is 123213004021. The reversal of 123213004010 is 10400312321.

It can be written as a sum of positive squares in 16 ways, for example, as 11704426969 + 111508577041 = 108187^2 + 333929^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123213004010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102591410 + ... + 102592610.

Almost surely, 2^123213004010 is an apocalyptic number.

123213004010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123213004010 is a deficient number, since it is larger than the sum of its proper divisors (103017339190).

123213004010 is a wasteful number, since it uses less digits than its factorization.

123213004010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123213004010 its reverse (10400312321), we get a palindrome (133613316331).

The spelling of 123213004010 in words is "one hundred twenty-three billion, two hundred thirteen million, four thousand, ten".