123290802000 has 320 divisors, whose sum is σ = 442691308800. Its totient is φ = 32800435200.

The previous prime is 123290801987. The next prime is 123290802073. The reversal of 123290802000 is 208092321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25215556 + ... + 25220444.

It is an arithmetic number, because the mean of its divisors is an integer number (1383410340).

Almost surely, 2^123290802000 is an apocalyptic number.

123290802000 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 123290802000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221345654400).

123290802000 is an abundant number, since it is smaller than the sum of its proper divisors (319400506800).

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

123290802000 is a wasteful number, since it uses less digits than its factorization.

123290802000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5388 (or 5366 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 123290802000 its reverse (208092321), we get a palindrome (123498894321).

The spelling of 123290802000 in words is "one hundred twenty-three billion, two hundred ninety million, eight hundred two thousand".