123106790501 has 4 divisors (see below), whose sum is σ = 123649111392. Its totient is φ = 122564469612.

The previous prime is 123106790491. The next prime is 123106790533. The reversal of 123106790501 is 105097601321.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123106790501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123106790591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271160105 + ... + 271160558.

It is an arithmetic number, because the mean of its divisors is an integer number (30912277848).

Almost surely, 2^123106790501 is an apocalyptic number.

It is an amenable number.

123106790501 is a deficient number, since it is larger than the sum of its proper divisors (542320891).

123106790501 is an equidigital number, since it uses as much as digits as its factorization.

123106790501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542320890.

The product of its (nonzero) digits is 11340, while the sum is 35.

The spelling of 123106790501 in words is "one hundred twenty-three billion, one hundred six million, seven hundred ninety thousand, five hundred one".