123206545119 has 32 divisors (see below), whose sum is σ = 188672198656. Its totient is φ = 70056264960.

The previous prime is 123206545109. The next prime is 123206545139. The reversal of 123206545119 is 911545602321.

It is a happy number.

It is not a de Polignac number, because 123206545119 - 2⁴ = 123206545103 is a prime.

It is a super-2 number, since 2×123206545119² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123206545109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3504609 + ... + 3539589.

It is an arithmetic number, because the mean of its divisors is an integer number (5896006208).

Almost surely, 2^123206545119 is an apocalyptic number.

123206545119 is a deficient number, since it is larger than the sum of its proper divisors (65465653537).

123206545119 is a wasteful number, since it uses less digits than its factorization.

123206545119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35815.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 123206545119 in words is "one hundred twenty-three billion, two hundred six million, five hundred forty-five thousand, one hundred nineteen".