105671623 has 2 divisors, whose sum is σ = 105671624. Its totient is φ = 105671622.

The previous prime is 105671513. The next prime is 105671639. The reversal of 105671623 is 326176501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105671623 - 2¹³ = 105663431 is a prime.

It is a super-2 number, since 2×105671623² = 22332983814908258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105671693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52835811 + 52835812.

It is an arithmetic number, because the mean of its divisors is an integer number (52835812).

Almost surely, 2^105671623 is an apocalyptic number.

105671623 is a deficient number, since it is larger than the sum of its proper divisors (1).

105671623 is an equidigital number, since it uses as much as digits as its factorization.

105671623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 105671623 is about 10279.6703740927. The cubic root of 105671623 is about 472.7731377108.

The spelling of 105671623 in words is "one hundred five million, six hundred seventy-one thousand, six hundred twenty-three".