10023400443 has 16 divisors (see below), whose sum is σ = 15358144256. Its totient is φ = 5696010720.

The previous prime is 10023400427. The next prime is 10023400547. The reversal of 10023400443 is 34400432001.

It is not a de Polignac number, because 10023400443 - 2⁴ = 10023400427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (10023400403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1314721 + ... + 1322322.

It is an arithmetic number, because the mean of its divisors is an integer number (959884016).

Almost surely, 2^10023400443 is an apocalyptic number.

10023400443 is a deficient number, since it is larger than the sum of its proper divisors (5334743813).

10023400443 is a wasteful number, since it uses less digits than its factorization.

10023400443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637234.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 10023400443 its reverse (34400432001), we get a palindrome (44423832444).

The spelling of 10023400443 in words is "ten billion, twenty-three million, four hundred thousand, four hundred forty-three".