10420350123 has 8 divisors (see below), whose sum is σ = 14497878528. Its totient is φ = 6644860904.

The previous prime is 10420350113. The next prime is 10420350131. The reversal of 10420350123 is 32105302401.

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 10420350123 - 2⁸ = 10420349867 is a prime.

It is a super-2 number, since 2×10420350123² (a number of 21 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 10420350123.

It is not an unprimeable number, because it can be changed into a prime (10420350103) 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 7 ways as a sum of consecutive naturals, for example, 75509715 + ... + 75509852.

It is an arithmetic number, because the mean of its divisors is an integer number (1812234816).

Almost surely, 2^10420350123 is an apocalyptic number.

10420350123 is a deficient number, since it is larger than the sum of its proper divisors (4077528405).

10420350123 is a wasteful number, since it uses less digits than its factorization.

10420350123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151019593.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 10420350123 its reverse (32105302401), we get a palindrome (42525652524).

The spelling of 10420350123 in words is "ten billion, four hundred twenty million, three hundred fifty thousand, one hundred twenty-three".