123351307 has 4 divisors (see below), whose sum is σ = 123439176. Its totient is φ = 123263440.

The previous prime is 123351281. The next prime is 123351331. The reversal of 123351307 is 703153321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123351307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123351367) 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 3 ways as a sum of consecutive naturals, for example, 41794 + ... + 44647.

It is an arithmetic number, because the mean of its divisors is an integer number (30859794).

Almost surely, 2^123351307 is an apocalyptic number.

123351307 is a deficient number, since it is larger than the sum of its proper divisors (87869).

123351307 is an equidigital number, since it uses as much as digits as its factorization.

123351307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87868.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 123351307 is about 11106.3633562026. The cubic root of 123351307 is about 497.7920065492.

The spelling of 123351307 in words is "one hundred twenty-three million, three hundred fifty-one thousand, three hundred seven".