123213095 has 8 divisors (see below), whose sum is σ = 148304400. Its totient is φ = 98271360.

The previous prime is 123213091. The next prime is 123213137. The reversal of 123213095 is 590312321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123213095 - 2² = 123213091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123213091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35570 + ... + 38879.

It is an arithmetic number, because the mean of its divisors is an integer number (18538050).

Almost surely, 2^123213095 is an apocalyptic number.

123213095 is a deficient number, since it is larger than the sum of its proper divisors (25091305).

123213095 is an equidigital number, since it uses as much as digits as its factorization.

123213095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74785.

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

The square root of 123213095 is about 11100.1394135389. The cubic root of 123213095 is about 497.6060159747.

The spelling of 123213095 in words is "one hundred twenty-three million, two hundred thirteen thousand, ninety-five".