2343102420021 has 16 divisors (see below), whose sum is σ = 3500261110848. Its totient is φ = 1381682016000.

The previous prime is 2343102420007. The next prime is 2343102420031. The reversal of 2343102420021 is 1200242013432.

It is a happy number.

It is not a de Polignac number, because 2343102420021 - 2³³ = 2334512485429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2343102419973 and 2343102420000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2343102420031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 959500180 + ... + 959502621.

It is an arithmetic number, because the mean of its divisors is an integer number (218766319428).

Almost surely, 2^{2343102420021} is an apocalyptic number.

It is an amenable number.

2343102420021 is a deficient number, since it is larger than the sum of its proper divisors (1157158690827).

2343102420021 is a wasteful number, since it uses less digits than its factorization.

2343102420021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919002852.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2343102420021 its reverse (1200242013432), we get a palindrome (3543344433453).

The spelling of 2343102420021 in words is "two trillion, three hundred forty-three billion, one hundred two million, four hundred twenty thousand, twenty-one".