210123030210320 has 40 divisors (see below), whose sum is σ = 488536842265920. Its totient is φ = 84049074961280.

The previous prime is 210123030210311. The next prime is 210123030210323. The reversal of 210123030210320 is 23012030321012.

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

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

It is a junction number, because it is equal to n+sod(n) for n = 210123030210292 and 210123030210301.

It is not an unprimeable number, because it can be changed into a prime (210123030210323) 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, 57518501 + ... + 61062459.

It is an arithmetic number, because the mean of its divisors is an integer number (12213421056648).

Almost surely, 2^{210123030210320} is an apocalyptic number.

210123030210320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210123030210320 is an abundant number, since it is smaller than the sum of its proper divisors (278413812055600).

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

210123030210320 is a wasteful number, since it uses less digits than its factorization.

210123030210320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4285103 (or 4285097 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 210123030210320 its reverse (23012030321012), we get a palindrome (233135060531332).

The spelling of 210123030210320 in words is "two hundred ten trillion, one hundred twenty-three billion, thirty million, two hundred ten thousand, three hundred twenty".