210423014400340 has 72 divisors (see below), whose sum is σ = 521074916854632. Its totient is φ = 71156745354240.

The previous prime is 210423014400329. The next prime is 210423014400349. The reversal of 210423014400340 is 43004410324012.

It can be written as a sum of positive squares in 4 ways, for example, as 82796241371536 + 127626773028804 = 9099244^2 + 11297202^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 210423014400299 and 210423014400308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210423014400349) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1470595321 + ... + 1470738400.

It is an arithmetic number, because the mean of its divisors is an integer number (7237151622981).

Almost surely, 2^{210423014400340} is an apocalyptic number.

210423014400340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210423014400340 is an abundant number, since it is smaller than the sum of its proper divisors (310651902454292).

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

210423014400340 is a wasteful number, since it uses less digits than its factorization.

210423014400340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2941333817 (or 2941333808 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 210423014400340 its reverse (43004410324012), we get a palindrome (253427424724352).

The spelling of 210423014400340 in words is "two hundred ten trillion, four hundred twenty-three billion, fourteen million, four hundred thousand, three hundred forty".