2123203011000 has 128 divisors (see below), whose sum is σ = 6651882768960. Its totient is φ = 563837952000.

The previous prime is 2123203010953. The next prime is 2123203011029. The reversal of 2123203011000 is 1103023212.

It is a super-2 number, since 2×2123203011000² (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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 745329 + ... + 2191328.

Almost surely, 2^{2123203011000} is an apocalyptic number.

2123203011000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123203011000 is an abundant number, since it is smaller than the sum of its proper divisors (4528679757960).

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

2123203011000 is a wasteful number, since it uses less digits than its factorization.

2123203011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936922 (or 2936908 counting only the distinct ones).

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

Adding to 2123203011000 its reverse (1103023212), we get a palindrome (2124306034212).

The spelling of 2123203011000 in words is "two trillion, one hundred twenty-three billion, two hundred three million, eleven thousand".