109223651 has 2 divisors, whose sum is σ = 109223652. Its totient is φ = 109223650.

The previous prime is 109223603. The next prime is 109223659. The reversal of 109223651 is 156322901.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109223651 is a prime.

It is not a weakly prime, because it can be changed into another prime (109223659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54611825 + 54611826.

It is an arithmetic number, because the mean of its divisors is an integer number (54611826).

Almost surely, 2^109223651 is an apocalyptic number.

109223651 is a deficient number, since it is larger than the sum of its proper divisors (1).

109223651 is an equidigital number, since it uses as much as digits as its factorization.

109223651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 109223651 is about 10451.0119605711. The cubic root of 109223651 is about 478.0121070327.

The spelling of 109223651 in words is "one hundred nine million, two hundred twenty-three thousand, six hundred fifty-one".