123323003240 has 16 divisors (see below), whose sum is σ = 277476757380. Its totient is φ = 49329201280.

The previous prime is 123323003231. The next prime is 123323003267. The reversal of 123323003240 is 42300323321.

It can be written as a sum of positive squares in 2 ways, for example, as 123311940964 + 11062276 = 351158^2 + 3326^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1541537501 + ... + 1541537580.

Almost surely, 2^123323003240 is an apocalyptic number.

123323003240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123323003240 is an abundant number, since it is smaller than the sum of its proper divisors (154153754140).

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

123323003240 is a wasteful number, since it uses less digits than its factorization.

123323003240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083075092 (or 3083075088 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 123323003240 its reverse (42300323321), we get a palindrome (165623326561).

The spelling of 123323003240 in words is "one hundred twenty-three billion, three hundred twenty-three million, three thousand, two hundred forty".