123113021307 has 8 divisors (see below), whose sum is σ = 164156144976. Its totient is φ = 82072622592.

The previous prime is 123113021303. The next prime is 123113021321. The reversal of 123113021307 is 703120311321.

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

It is not a de Polignac number, because 123113021307 - 2² = 123113021303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123113021303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573378 + ... + 758279.

It is an arithmetic number, because the mean of its divisors is an integer number (20519518122).

Almost surely, 2^123113021307 is an apocalyptic number.

123113021307 is a deficient number, since it is larger than the sum of its proper divisors (41043123669).

123113021307 is a wasteful number, since it uses less digits than its factorization.

123113021307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362477.

The product of its (nonzero) digits is 756, while the sum is 24.

Adding to 123113021307 its reverse (703120311321), we get a palindrome (826233332628).

The spelling of 123113021307 in words is "one hundred twenty-three billion, one hundred thirteen million, twenty-one thousand, three hundred seven".