21323002030302 has 16 divisors (see below), whose sum is σ = 48738290355072. Its totient is φ = 6092286294360.

The previous prime is 21323002030273. The next prime is 21323002030381. The reversal of 21323002030302 is 20303020032312.

It is a super-2 number, since 2×21323002030302² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253845262224 + ... + 253845262307.

It is an arithmetic number, because the mean of its divisors is an integer number (3046143147192).

Almost surely, 2^{21323002030302} is an apocalyptic number.

21323002030302 is an abundant number, since it is smaller than the sum of its proper divisors (27415288324770).

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

21323002030302 is a wasteful number, since it uses less digits than its factorization.

21323002030302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507690524543.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 21323002030302 its reverse (20303020032312), we get a palindrome (41626022062614).

The spelling of 21323002030302 in words is "twenty-one trillion, three hundred twenty-three billion, two million, thirty thousand, three hundred two".