2123430032000 has 64 divisors (see below), whose sum is σ = 5279377956840. Its totient is φ = 849372006400.

The previous prime is 2123430031999. The next prime is 2123430032027. The reversal of 2123430032000 is 2300343212.

It can be written as a sum of positive squares in 4 ways, for example, as 91528031296 + 2031902000704 = 302536^2 + 1425448^2 .

It is a tau number, because it is divible by the number of its divisors (64).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66341189 + ... + 66373188.

Almost surely, 2^{2123430032000} is an apocalyptic number.

2123430032000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123430032000 is an abundant number, since it is smaller than the sum of its proper divisors (3155947924840).

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

2123430032000 is an equidigital number, since it uses as much as digits as its factorization.

2123430032000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132714406 (or 132714384 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 2123430032000 its reverse (2300343212), we get a palindrome (2125730375212).

The spelling of 2123430032000 in words is "two trillion, one hundred twenty-three billion, four hundred thirty million, thirty-two thousand".