106819979531623 has 2 divisors, whose sum is σ = 106819979531624. Its totient is φ = 106819979531622.

The previous prime is 106819979531593. The next prime is 106819979531627. The reversal of 106819979531623 is 326135979918601.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106819979531623 - 2¹³ = 106819979523431 is a prime.

It is a super-2 number, since 2×106819979531623² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106819979531627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53409989765811 + 53409989765812.

It is an arithmetic number, because the mean of its divisors is an integer number (53409989765812).

Almost surely, 2^{106819979531623} is an apocalyptic number.

106819979531623 is a deficient number, since it is larger than the sum of its proper divisors (1).

106819979531623 is an equidigital number, since it uses as much as digits as its factorization.

106819979531623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132269760, while the sum is 70.

The spelling of 106819979531623 in words is "one hundred six trillion, eight hundred nineteen billion, nine hundred seventy-nine million, five hundred thirty-one thousand, six hundred twenty-three".