22300723 has 4 divisors (see below), whose sum is σ = 22463640. Its totient is φ = 22137808.

The previous prime is 22300711. The next prime is 22300727. The reversal of 22300723 is 32700322.

It is a happy number.

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 22300723 - 2¹³ = 22292531 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 22300723.

It is not an unprimeable number, because it can be changed into a prime (22300727) 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, 81253 + ... + 81526.

It is an arithmetic number, because the mean of its divisors is an integer number (5615910).

Almost surely, 2^22300723 is an apocalyptic number.

22300723 is a deficient number, since it is larger than the sum of its proper divisors (162917).

22300723 is a wasteful number, since it uses less digits than its factorization.

22300723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162916.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 22300723 is about 4722.3641325082. The cubic root of 22300723 is about 281.4748833157.

The spelling of 22300723 in words is "twenty-two million, three hundred thousand, seven hundred twenty-three".