123023195 has 16 divisors (see below), whose sum is σ = 155844000. Its totient is φ = 92971008.

The previous prime is 123023183. The next prime is 123023227. The reversal of 123023195 is 591320321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123023195 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35291 + ... + 38619.

It is an arithmetic number, because the mean of its divisors is an integer number (9740250).

Almost surely, 2^123023195 is an apocalyptic number.

123023195 is a deficient number, since it is larger than the sum of its proper divisors (32820805).

123023195 is a wasteful number, since it uses less digits than its factorization.

123023195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3742.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 123023195 is about 11091.5821684735. The cubic root of 123023195 is about 497.3502423751.

The spelling of 123023195 in words is "one hundred twenty-three million, twenty-three thousand, one hundred ninety-five".