146563723 has 4 divisors (see below), whose sum is σ = 148419040. Its totient is φ = 144708408.

The previous prime is 146563693. The next prime is 146563763. The reversal of 146563723 is 327365641.

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

It is not a de Polignac number, because 146563723 - 2⁹ = 146563211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146563763) 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, 927540 + ... + 927697.

It is an arithmetic number, because the mean of its divisors is an integer number (37104760).

Almost surely, 2^146563723 is an apocalyptic number.

146563723 is a deficient number, since it is larger than the sum of its proper divisors (1855317).

146563723 is an equidigital number, since it uses as much as digits as its factorization.

146563723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855316.

The product of its digits is 90720, while the sum is 37.

The square root of 146563723 is about 12106.3505235888. The cubic root of 146563723 is about 527.2405804213.

The spelling of 146563723 in words is "one hundred forty-six million, five hundred sixty-three thousand, seven hundred twenty-three".