123442323000 has 128 divisors (see below), whose sum is σ = 395549593920. Its totient is φ = 32028249600.

The previous prime is 123442322999. The next prime is 123442323001. The reversal of 123442323000 is 323244321.

It is an interprime number because it is at equal distance from previous prime (123442322999) and next prime (123442323001).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123442323001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 445047 + ... + 667046.

Almost surely, 2^123442323000 is an apocalyptic number.

123442323000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123442323000 is an abundant number, since it is smaller than the sum of its proper divisors (272107270920).

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

123442323000 is a wasteful number, since it uses less digits than its factorization.

123442323000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112154 (or 1112140 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 123442323000 its reverse (323244321), we get a palindrome (123765567321).

The spelling of 123442323000 in words is "one hundred twenty-three billion, four hundred forty-two million, three hundred twenty-three thousand".