123099350511 has 8 divisors (see below), whose sum is σ = 164134098864. Its totient is φ = 82065417920.

The previous prime is 123099350497. The next prime is 123099350531. The reversal of 123099350511 is 115053990321.

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

It is a cyclic number.

It is not a de Polignac number, because 123099350511 - 2³⁰ = 122025608687 is a prime.

It is a super-2 number, since 2×123099350511² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123099350511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123099350531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427171 + ... + 654731.

It is an arithmetic number, because the mean of its divisors is an integer number (20516762358).

Almost surely, 2^123099350511 is an apocalyptic number.

123099350511 is a deficient number, since it is larger than the sum of its proper divisors (41034748353).

123099350511 is a wasteful number, since it uses less digits than its factorization.

123099350511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407881.

The product of its (nonzero) digits is 36450, while the sum is 39.

The spelling of 123099350511 in words is "one hundred twenty-three billion, ninety-nine million, three hundred fifty thousand, five hundred eleven".