123145030546 has 8 divisors (see below), whose sum is σ = 185319232560. Its totient is φ = 61371953028.

The previous prime is 123145030523. The next prime is 123145030601. The reversal of 123145030546 is 645030541321.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100280356 + ... + 100281583.

It is an arithmetic number, because the mean of its divisors is an integer number (23164904070).

Almost surely, 2^123145030546 is an apocalyptic number.

123145030546 is a deficient number, since it is larger than the sum of its proper divisors (62174202014).

123145030546 is a wasteful number, since it uses less digits than its factorization.

123145030546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200562248.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 123145030546 its reverse (645030541321), we get a palindrome (768175571867).

The spelling of 123145030546 in words is "one hundred twenty-three billion, one hundred forty-five million, thirty thousand, five hundred forty-six".