23401120043 has 16 divisors (see below), whose sum is σ = 28176971520. Its totient is φ = 18985370976.

The previous prime is 23401120033. The next prime is 23401120063. The reversal of 23401120043 is 34002110432.

It is a cyclic number.

It is not a de Polignac number, because 23401120043 - 2²⁶ = 23334011179 is a prime.

It is a super-2 number, since 2×23401120043² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23401119997 and 23401120024.

It is not an unprimeable number, because it can be changed into a prime (23401120033) 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, 71021 + ... + 227697.

It is an arithmetic number, because the mean of its divisors is an integer number (1761060720).

Almost surely, 2^23401120043 is an apocalyptic number.

23401120043 is a deficient number, since it is larger than the sum of its proper divisors (4775851477).

23401120043 is a wasteful number, since it uses less digits than its factorization.

23401120043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157826.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23401120043 its reverse (34002110432), we get a palindrome (57403230475).

The spelling of 23401120043 in words is "twenty-three billion, four hundred one million, one hundred twenty thousand, forty-three".