2343212621 has 2 divisors, whose sum is σ = 2343212622. Its totient is φ = 2343212620.

The previous prime is 2343212537. The next prime is 2343212633. The reversal of 2343212621 is 1262123432.

2343212621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2334242596 + 8970025 = 48314^2 + 2995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2343212621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2343212681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1171606310 + 1171606311.

It is an arithmetic number, because the mean of its divisors is an integer number (1171606311).

Almost surely, 2^2343212621 is an apocalyptic number.

It is an amenable number.

2343212621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2343212621 is an equidigital number, since it uses as much as digits as its factorization.

2343212621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 26.

The square root of 2343212621 is about 48406.7414829794. The cubic root of 2343212621 is about 1328.2216836474.

The spelling of 2343212621 in words is "two billion, three hundred forty-three million, two hundred twelve thousand, six hundred twenty-one".