123102241400 has 96 divisors (see below), whose sum is σ = 292870384560. Its totient is φ = 48103511040.

The previous prime is 123102241397. The next prime is 123102241411. The reversal of 123102241400 is 4142201321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2444879 + ... + 2494721.

Almost surely, 2^123102241400 is an apocalyptic number.

123102241400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123102241400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146435192280).

123102241400 is an abundant number, since it is smaller than the sum of its proper divisors (169768143160).

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

123102241400 is a wasteful number, since it uses less digits than its factorization.

123102241400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50145 (or 50136 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 123102241400 its reverse (4142201321), we get a palindrome (127244442721).

The spelling of 123102241400 in words is "one hundred twenty-three billion, one hundred two million, two hundred forty-one thousand, four hundred".