10011020423 has 4 divisors (see below), whose sum is σ = 10011225888. Its totient is φ = 10010814960.

The previous prime is 10011020399. The next prime is 10011020431. The reversal of 10011020423 is 32402011001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32402011001 = 23 ⋅1408783087.

It is a cyclic number.

It is not a de Polignac number, because 10011020423 - 2⁶ = 10011020359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10011020398 and 10011020407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011020443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16418 + ... + 142448.

It is an arithmetic number, because the mean of its divisors is an integer number (2502806472).

Almost surely, 2^10011020423 is an apocalyptic number.

10011020423 is a deficient number, since it is larger than the sum of its proper divisors (205465).

10011020423 is an equidigital number, since it uses as much as digits as its factorization.

10011020423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205464.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10011020423 its reverse (32402011001), we get a palindrome (42413031424).

The spelling of 10011020423 in words is "ten billion, eleven million, twenty thousand, four hundred twenty-three".