210123100021344 has 48 divisors (see below), whose sum is σ = 551633414492160. Its totient is φ = 70033379126400.

The previous prime is 210123100021339. The next prime is 210123100021477. The reversal of 210123100021344 is 443120001321012.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118714024 + ... + 120471015.

It is an arithmetic number, because the mean of its divisors is an integer number (11492362801920).

Almost surely, 2^{210123100021344} is an apocalyptic number.

210123100021344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

210123100021344 is an abundant number, since it is smaller than the sum of its proper divisors (341510314470816).

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

210123100021344 is a wasteful number, since it uses less digits than its factorization.

210123100021344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239194203 (or 239194195 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 210123100021344 its reverse (443120001321012), we get a palindrome (653243101342356).

The spelling of 210123100021344 in words is "two hundred ten trillion, one hundred twenty-three billion, one hundred million, twenty-one thousand, three hundred forty-four".