228419623 has 2 divisors, whose sum is σ = 228419624. Its totient is φ = 228419622.

The previous prime is 228419617. The next prime is 228419629. The reversal of 228419623 is 326914822.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (228419617) and next prime (228419629).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228419623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228419629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114209811 + 114209812.

It is an arithmetic number, because the mean of its divisors is an integer number (114209812).

Almost surely, 2^228419623 is an apocalyptic number.

228419623 is a deficient number, since it is larger than the sum of its proper divisors (1).

228419623 is an equidigital number, since it uses as much as digits as its factorization.

228419623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 37.

The square root of 228419623 is about 15113.5575891317. The cubic root of 228419623 is about 611.2860291045.

The spelling of 228419623 in words is "two hundred twenty-eight million, four hundred nineteen thousand, six hundred twenty-three".