43220404023 has 12 divisors (see below), whose sum is σ = 60241674360. Its totient is φ = 27560836336.

The previous prime is 43220404021. The next prime is 43220404057. The reversal of 43220404023 is 32040402234.

It is not a de Polignac number, because 43220404023 - 2¹ = 43220404021 is a prime.

It is a super-2 number, since 2×43220404023² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43220403984 and 43220404002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43220404021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13615428 + ... + 13618601.

It is an arithmetic number, because the mean of its divisors is an integer number (5020139530).

Almost surely, 2^43220404023 is an apocalyptic number.

43220404023 is a deficient number, since it is larger than the sum of its proper divisors (17021270337).

43220404023 is a wasteful number, since it uses less digits than its factorization.

43220404023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27234078 (or 27234055 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 43220404023 its reverse (32040402234), we get a palindrome (75260806257).

The spelling of 43220404023 in words is "forty-three billion, two hundred twenty million, four hundred four thousand, twenty-three".