10123420440304 has 20 divisors (see below), whose sum is σ = 19618822977664. Its totient is φ = 5060498381568.

The previous prime is 10123420440227. The next prime is 10123420440313. The reversal of 10123420440304 is 40304402432101.

It is a super-2 number, since 2×10123420440304² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 75670992 + ... + 75804655.

Almost surely, 2^{10123420440304} is an apocalyptic number.

It is an amenable number.

10123420440304 is a deficient number, since it is larger than the sum of its proper divisors (9495402537360).

10123420440304 is a wasteful number, since it uses less digits than its factorization.

10123420440304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151479832 (or 151479826 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 10123420440304 its reverse (40304402432101), we get a palindrome (50427822872405).

The spelling of 10123420440304 in words is "ten trillion, one hundred twenty-three billion, four hundred twenty million, four hundred forty thousand, three hundred four".