2345421043 has 4 divisors (see below), whose sum is σ = 2680481200. Its totient is φ = 2010360888.

The previous prime is 2345421019. The next prime is 2345421049. The reversal of 2345421043 is 3401245432.

It is a happy number.

2345421043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2345421043 - 2⁵ = 2345421011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2345421049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167530068 + ... + 167530081.

It is an arithmetic number, because the mean of its divisors is an integer number (670120300).

Almost surely, 2^2345421043 is an apocalyptic number.

2345421043 is a deficient number, since it is larger than the sum of its proper divisors (335060157).

2345421043 is an equidigital number, since it uses as much as digits as its factorization.

2345421043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335060156.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 2345421043 is about 48429.5472103550. The cubic root of 2345421043 is about 1328.6388250440.

Adding to 2345421043 its reverse (3401245432), we get a palindrome (5746666475).

The spelling of 2345421043 in words is "two billion, three hundred forty-five million, four hundred twenty-one thousand, forty-three".