123743265 has 8 divisors (see below), whose sum is σ = 197989248. Its totient is φ = 65996400.

The previous prime is 123743239. The next prime is 123743299. The reversal of 123743265 is 562347321.

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

It is not a de Polignac number, because 123743265 - 2⁵ = 123743233 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4124761 + ... + 4124790.

It is an arithmetic number, because the mean of its divisors is an integer number (24748656).

Almost surely, 2^123743265 is an apocalyptic number.

123743265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123743265 is a deficient number, since it is larger than the sum of its proper divisors (74245983).

123743265 is an equidigital number, since it uses as much as digits as its factorization.

123743265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8249559.

The product of its digits is 30240, while the sum is 33.

The square root of 123743265 is about 11123.9950107864. The cubic root of 123743265 is about 498.3187061723.

The spelling of 123743265 in words is "one hundred twenty-three million, seven hundred forty-three thousand, two hundred sixty-five".