2123021030320 has 40 divisors (see below), whose sum is σ = 4991484854880. Its totient is φ = 839666741760.

The previous prime is 2123021030309. The next prime is 2123021030321. The reversal of 2123021030320 is 230301203212.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (2123021030321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149081436 + ... + 149095675.

It is an arithmetic number, because the mean of its divisors is an integer number (124787121372).

Almost surely, 2^{2123021030320} is an apocalyptic number.

2123021030320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123021030320 is an abundant number, since it is smaller than the sum of its proper divisors (2868463824560).

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

2123021030320 is a wasteful number, since it uses less digits than its factorization.

2123021030320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298177213 (or 298177207 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2123021030320 its reverse (230301203212), we get a palindrome (2353322233532).

The spelling of 2123021030320 in words is "two trillion, one hundred twenty-three billion, twenty-one million, thirty thousand, three hundred twenty".