123906697 has 4 divisors (see below), whose sum is σ = 123935616. Its totient is φ = 123877780.

The previous prime is 123906691. The next prime is 123906707. The reversal of 123906697 is 796609321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 796609321 = 101 ⋅7887221.

It is a cyclic number.

It is not a de Polignac number, because 123906697 - 2³ = 123906689 is a prime.

It is a super-2 number, since 2×123906697² = 30705739122899618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123906691) 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, 6613 + ... + 17074.

It is an arithmetic number, because the mean of its divisors is an integer number (30983904).

Almost surely, 2^123906697 is an apocalyptic number.

It is an amenable number.

123906697 is a deficient number, since it is larger than the sum of its proper divisors (28919).

123906697 is an equidigital number, since it uses as much as digits as its factorization.

123906697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28918.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 123906697 is about 11131.3385089126. The cubic root of 123906697 is about 498.5379918979.

The spelling of 123906697 in words is "one hundred twenty-three million, nine hundred six thousand, six hundred ninety-seven".