53223723 has 80 divisors (see below), whose sum is σ = 97109760. Its totient is φ = 28413504.

The previous prime is 53223721. The next prime is 53223727. The reversal of 53223723 is 32732235.

It is not a de Polignac number, because 53223723 - 2¹ = 53223721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (53223721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 902068 + ... + 902126.

It is an arithmetic number, because the mean of its divisors is an integer number (1213872).

Almost surely, 2^53223723 is an apocalyptic number.

53223723 is a deficient number, since it is larger than the sum of its proper divisors (43886037).

53223723 is a wasteful number, since it uses less digits than its factorization.

53223723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 149 counting only the distinct ones).

The product of its digits is 7560, while the sum is 27.

The square root of 53223723 is about 7295.4590671184. The cubic root of 53223723 is about 376.1563665121.

Adding to 53223723 its reverse (32732235), we get a palindrome (85955958).

It can be divided in two parts, 5322 and 3723, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 53223723 in words is "fifty-three million, two hundred twenty-three thousand, seven hundred twenty-three".