500145723 has 72 divisors (see below), whose sum is σ = 931926528. Its totient is φ = 251100000.

The previous prime is 500145697. The next prime is 500145727. The reversal of 500145723 is 327541005.

It is a happy number.

It is not a de Polignac number, because 500145723 - 2⁹ = 500145211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (500145727) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 665598 + ... + 666348.

It is an arithmetic number, because the mean of its divisors is an integer number (12943424).

Almost surely, 2^500145723 is an apocalyptic number.

500145723 is a deficient number, since it is larger than the sum of its proper divisors (431780805).

500145723 is a wasteful number, since it uses less digits than its factorization.

500145723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837 (or 803 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 500145723 is about 22363.9380029547. The cubic root of 500145723 is about 793.7776254423. Note that the first 3 decimals are identical.

Adding to 500145723 its reverse (327541005), we get a palindrome (827686728).

The spelling of 500145723 in words is "five hundred million, one hundred forty-five thousand, seven hundred twenty-three".