21023010300238 has 16 divisors (see below), whose sum is σ = 32454413066880. Its totient is φ = 10206058811616.

The previous prime is 21023010300181. The next prime is 21023010300239. The reversal of 21023010300238 is 83200301032012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21023010300239) 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 7 ways as a sum of consecutive naturals, for example, 296514381 + ... + 296585272.

It is an arithmetic number, because the mean of its divisors is an integer number (2028400816680).

Almost surely, 2^{21023010300238} is an apocalyptic number.

21023010300238 is a deficient number, since it is larger than the sum of its proper divisors (11431402766642).

21023010300238 is a wasteful number, since it uses less digits than its factorization.

21023010300238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593100171.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 21023010300238 in words is "twenty-one trillion, twenty-three billion, ten million, three hundred thousand, two hundred thirty-eight".