22453723 has 2 divisors, whose sum is σ = 22453724. Its totient is φ = 22453722.

The previous prime is 22453693. The next prime is 22453747. The reversal of 22453723 is 32735422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22453723 - 2¹³ = 22445531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22453691 and 22453700.

It is not a weakly prime, because it can be changed into another prime (22453423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11226861 + 11226862.

It is an arithmetic number, because the mean of its divisors is an integer number (11226862).

Almost surely, 2^22453723 is an apocalyptic number.

22453723 is a deficient number, since it is larger than the sum of its proper divisors (1).

22453723 is an equidigital number, since it uses as much as digits as its factorization.

22453723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 28.

The square root of 22453723 is about 4738.5359553347. The cubic root of 22453723 is about 282.1171277107.

The spelling of 22453723 in words is "twenty-two million, four hundred fifty-three thousand, seven hundred twenty-three".