2160400023 has 24 divisors (see below), whose sum is σ = 3196207872. Its totient is φ = 1405425168.

The previous prime is 2160400007. The next prime is 2160400027. The reversal of 2160400023 is 3200040612.

It is a happy number.

It is not a de Polignac number, because 2160400023 - 2⁴ = 2160400007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2160399969 and 2160400005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160400027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 548740 + ... + 552662.

It is an arithmetic number, because the mean of its divisors is an integer number (133175328).

Almost surely, 2^2160400023 is an apocalyptic number.

2160400023 is a deficient number, since it is larger than the sum of its proper divisors (1035807849).

2160400023 is a wasteful number, since it uses less digits than its factorization.

2160400023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5395 (or 5392 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2160400023 is about 46480.1035175267. The cubic root of 2160400023 is about 1292.7406075591.

Adding to 2160400023 its reverse (3200040612), we get a palindrome (5360440635).

The spelling of 2160400023 in words is "two billion, one hundred sixty million, four hundred thousand, twenty-three".