109331923 has 2 divisors, whose sum is σ = 109331924. Its totient is φ = 109331922.

The previous prime is 109331867. The next prime is 109331939. The reversal of 109331923 is 329133901.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109331923 is a prime.

It is not a weakly prime, because it can be changed into another prime (109331983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54665961 + 54665962.

It is an arithmetic number, because the mean of its divisors is an integer number (54665962).

Almost surely, 2^109331923 is an apocalyptic number.

109331923 is a deficient number, since it is larger than the sum of its proper divisors (1).

109331923 is an equidigital number, since it uses as much as digits as its factorization.

109331923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 109331923 is about 10456.1906543444. The cubic root of 109331923 is about 478.1700039544.

The spelling of 109331923 in words is "one hundred nine million, three hundred thirty-one thousand, nine hundred twenty-three".