4222523723 has 4 divisors (see below), whose sum is σ = 4606389528. Its totient is φ = 3838657920.

The previous prime is 4222523707. The next prime is 4222523737. The reversal of 4222523723 is 3273252224.

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 4222523723 - 2⁴ = 4222523707 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 4222523723.

It is not an unprimeable number, because it can be changed into a prime (4222523323) 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, 191932886 + ... + 191932907.

It is an arithmetic number, because the mean of its divisors is an integer number (1151597382).

Almost surely, 2^4222523723 is an apocalyptic number.

4222523723 is a deficient number, since it is larger than the sum of its proper divisors (383865805).

4222523723 is a wasteful number, since it uses less digits than its factorization.

4222523723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383865804.

The product of its digits is 40320, while the sum is 32.

The square root of 4222523723 is about 64980.9489235114. The cubic root of 4222523723 is about 1616.3076659237.

Adding to 4222523723 its reverse (3273252224), we get a palindrome (7495775947).

The spelling of 4222523723 in words is "four billion, two hundred twenty-two million, five hundred twenty-three thousand, seven hundred twenty-three".