123000371845 has 8 divisors (see below), whose sum is σ = 158954326776. Its totient is φ = 90831043776.

The previous prime is 123000371843. The next prime is 123000371869. The reversal of 123000371845 is 548173000321.

It can be written as a sum of positive squares in 4 ways, for example, as 21138542881 + 101861828964 = 145391^2 + 319158^2 .

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 123000371845 - 2¹ = 123000371843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123000371845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123000371843) 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, 946156642 + ... + 946156771.

It is an arithmetic number, because the mean of its divisors is an integer number (19869290847).

Almost surely, 2^123000371845 is an apocalyptic number.

It is an amenable number.

123000371845 is a deficient number, since it is larger than the sum of its proper divisors (35953954931).

123000371845 is a wasteful number, since it uses less digits than its factorization.

123000371845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892313431.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 123000371845 in words is "one hundred twenty-three billion, three hundred seventy-one thousand, eight hundred forty-five".