109650623 has 2 divisors, whose sum is σ = 109650624. Its totient is φ = 109650622.

The previous prime is 109650601. The next prime is 109650641. The reversal of 109650623 is 326056901.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109650623 - 2²² = 105456319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109650623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109653623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54825311 + 54825312.

It is an arithmetic number, because the mean of its divisors is an integer number (54825312).

Almost surely, 2^109650623 is an apocalyptic number.

109650623 is a deficient number, since it is larger than the sum of its proper divisors (1).

109650623 is an equidigital number, since it uses as much as digits as its factorization.

109650623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 109650623 is about 10471.4193402805. The cubic root of 109650623 is about 478.6341713620.

The spelling of 109650623 in words is "one hundred nine million, six hundred fifty thousand, six hundred twenty-three".