21114202343 has 8 divisors (see below), whose sum is σ = 22740556608. Its totient is φ = 19488160224.

The previous prime is 21114202321. The next prime is 21114202349. The reversal of 21114202343 is 34320241112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21114202343 - 2⁶ = 21114202279 is a prime.

It is a super-2 number, since 2×21114202343² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21114202349) 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, 73346 + ... + 218192.

It is an arithmetic number, because the mean of its divisors is an integer number (2842569576).

Almost surely, 2^21114202343 is an apocalyptic number.

21114202343 is a deficient number, since it is larger than the sum of its proper divisors (1626354265).

21114202343 is a wasteful number, since it uses less digits than its factorization.

21114202343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156073.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21114202343 its reverse (34320241112), we get a palindrome (55434443455).

The spelling of 21114202343 in words is "twenty-one billion, one hundred fourteen million, two hundred two thousand, three hundred forty-three".