109965417623 has 2 divisors, whose sum is σ = 109965417624. Its totient is φ = 109965417622.

The previous prime is 109965417619. The next prime is 109965417631. The reversal of 109965417623 is 326714569901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109965417623 - 2² = 109965417619 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109965417923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54982708811 + 54982708812.

It is an arithmetic number, because the mean of its divisors is an integer number (54982708812).

Almost surely, 2^109965417623 is an apocalyptic number.

109965417623 is a deficient number, since it is larger than the sum of its proper divisors (1).

109965417623 is an equidigital number, since it uses as much as digits as its factorization.

109965417623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 109965417623 in words is "one hundred nine billion, nine hundred sixty-five million, four hundred seventeen thousand, six hundred twenty-three".