106123931 has 2 divisors, whose sum is σ = 106123932. Its totient is φ = 106123930.

The previous prime is 106123907. The next prime is 106123937. The reversal of 106123931 is 139321601.

It is a strong prime.

It is an emirp because it is prime and its reverse (139321601) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106123931 is a prime.

It is a super-2 number, since 2×106123931² = 22524577461785522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 106123931.

It is not a weakly prime, because it can be changed into another prime (106123937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53061965 + 53061966.

It is an arithmetic number, because the mean of its divisors is an integer number (53061966).

Almost surely, 2^106123931 is an apocalyptic number.

106123931 is a deficient number, since it is larger than the sum of its proper divisors (1).

106123931 is an equidigital number, since it uses as much as digits as its factorization.

106123931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 106123931 is about 10301.6470042416. The cubic root of 106123931 is about 473.4467171453.

The spelling of 106123931 in words is "one hundred six million, one hundred twenty-three thousand, nine hundred thirty-one".