3240146723 has 4 divisors (see below), whose sum is σ = 3534705528. Its totient is φ = 2945587920.

The previous prime is 3240146641. The next prime is 3240146737. The reversal of 3240146723 is 3276410423.

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

It is not a de Polignac number, because 3240146723 - 2¹⁴ = 3240130339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3240146723.

It is not an unprimeable number, because it can be changed into a prime (3240146023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147279386 + ... + 147279407.

It is an arithmetic number, because the mean of its divisors is an integer number (883676382).

Almost surely, 2^3240146723 is an apocalyptic number.

3240146723 is a deficient number, since it is larger than the sum of its proper divisors (294558805).

3240146723 is a wasteful number, since it uses less digits than its factorization.

3240146723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294558804.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 3240146723 is about 56922.2866986210. The cubic root of 3240146723 is about 1479.7495806830.

The spelling of 3240146723 in words is "three billion, two hundred forty million, one hundred forty-six thousand, seven hundred twenty-three".