123263997 has 8 divisors (see below), whose sum is σ = 165399456. Its totient is φ = 81652272.

The previous prime is 123263993. The next prime is 123264013. The reversal of 123263997 is 799362321.

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

It is not a de Polignac number, because 123263997 - 2² = 123263993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123263993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130383 + ... + 131324.

It is an arithmetic number, because the mean of its divisors is an integer number (20674932).

Almost surely, 2^123263997 is an apocalyptic number.

It is an amenable number.

123263997 is a deficient number, since it is larger than the sum of its proper divisors (42135459).

123263997 is a wasteful number, since it uses less digits than its factorization.

123263997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261867.

The product of its digits is 122472, while the sum is 42.

The square root of 123263997 is about 11102.4320308660. The cubic root of 123263997 is about 497.6745304840.

The spelling of 123263997 in words is "one hundred twenty-three million, two hundred sixty-three thousand, nine hundred ninety-seven".