2730021423 has 4 divisors (see below), whose sum is σ = 3640028568. Its totient is φ = 1820014280.

The previous prime is 2730021419. The next prime is 2730021473. The reversal of 2730021423 is 3241200372.

2730021423 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 2730021423 - 2² = 2730021419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2730021393 and 2730021402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730021473) 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, 455003568 + ... + 455003573.

It is an arithmetic number, because the mean of its divisors is an integer number (910007142).

Almost surely, 2^2730021423 is an apocalyptic number.

2730021423 is a deficient number, since it is larger than the sum of its proper divisors (910007145).

2730021423 is an equidigital number, since it uses as much as digits as its factorization.

2730021423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910007144.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 2730021423 is about 52249.6069171817. The cubic root of 2730021423 is about 1397.6186426668.

Adding to 2730021423 its reverse (3241200372), we get a palindrome (5971221795).

The spelling of 2730021423 in words is "two billion, seven hundred thirty million, twenty-one thousand, four hundred twenty-three".