10265142123 has 16 divisors (see below), whose sum is σ = 15244816800. Its totient is φ = 6826688640.

The previous prime is 10265142119. The next prime is 10265142133. The reversal of 10265142123 is 32124156201.

10265142123 is a `hidden beast` number, since 1 + 0 + 2 + 651 + 4 + 2 + 1 + 2 + 3 = 666.

It is not a de Polignac number, because 10265142123 - 2² = 10265142119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10265142133) 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 15 ways as a sum of consecutive naturals, for example, 453738 + ... + 475823.

It is an arithmetic number, because the mean of its divisors is an integer number (952801050).

Almost surely, 2^10265142123 is an apocalyptic number.

10265142123 is a deficient number, since it is larger than the sum of its proper divisors (4979674677).

10265142123 is an equidigital number, since it uses as much as digits as its factorization.

10265142123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929979 (or 929973 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 10265142123 its reverse (32124156201), we get a palindrome (42389298324).

The spelling of 10265142123 in words is "ten billion, two hundred sixty-five million, one hundred forty-two thousand, one hundred twenty-three".