21233242314402 has 16 divisors (see below), whose sum is σ = 43048217295840. Its totient is φ = 6980791993632.

The previous prime is 21233242314371. The next prime is 21233242314409. The reversal of 21233242314402 is 20441324233212.

It is a happy number.

It is a super-2 number, since 2×21233242314402² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21233242314409) 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, 24238860652 + ... + 24238861527.

It is an arithmetic number, because the mean of its divisors is an integer number (2690513580990).

Almost surely, 2^{21233242314402} is an apocalyptic number.

21233242314402 is an abundant number, since it is smaller than the sum of its proper divisors (21814974981438).

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

21233242314402 is a wasteful number, since it uses less digits than its factorization.

21233242314402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48477722257.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 21233242314402 its reverse (20441324233212), we get a palindrome (41674566547614).

The spelling of 21233242314402 in words is "twenty-one trillion, two hundred thirty-three billion, two hundred forty-two million, three hundred fourteen thousand, four hundred two".