423644061043 has 16 divisors (see below), whose sum is σ = 499811522560. Its totient is φ = 351389664000.

The previous prime is 423644061041. The next prime is 423644061077. The reversal of 423644061043 is 340160446324.

It is a cyclic number.

It is not a de Polignac number, because 423644061043 - 2¹ = 423644061041 is a prime.

It is a super-2 number, since 2×423644061043² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423644060993 and 423644061011.

It is not an unprimeable number, because it can be changed into a prime (423644061041) 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, 4642228 + ... + 4732606.

It is an arithmetic number, because the mean of its divisors is an integer number (31238220160).

Almost surely, 2^423644061043 is an apocalyptic number.

423644061043 is a deficient number, since it is larger than the sum of its proper divisors (76167461517).

423644061043 is a wasteful number, since it uses less digits than its factorization.

423644061043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112018.

The product of its (nonzero) digits is 165888, while the sum is 37.

The spelling of 423644061043 in words is "four hundred twenty-three billion, six hundred forty-four million, sixty-one thousand, forty-three".