1123023210000 has 200 divisors, whose sum is σ = 3713693912544. Its totient is φ = 292168320000.

The previous prime is 1123023209947. The next prime is 1123023210017. The reversal of 1123023210000 is 123203211.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×1123023210000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 773487 + ... + 1686513.

Almost surely, 2^{1123023210000} is an apocalyptic number.

1123023210000 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 1123023210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1856846956272).

1123023210000 is an abundant number, since it is smaller than the sum of its proper divisors (2590670702544).

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

1123023210000 is an equidigital number, since it uses as much as digits as its factorization.

1123023210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913099 (or 913078 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1123023210000 its reverse (123203211), we get a palindrome (1123146413211).

The spelling of 1123023210000 in words is "one trillion, one hundred twenty-three billion, twenty-three million, two hundred ten thousand".