2623220401 has 2 divisors, whose sum is σ = 2623220402. Its totient is φ = 2623220400.

The previous prime is 2623220387. The next prime is 2623220407. The reversal of 2623220401 is 1040223262.

2623220401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2484922801 + 138297600 = 49849^2 + 11760^2 .

It is a cyclic number.

It is not a de Polignac number, because 2623220401 - 2⁷ = 2623220273 is a prime.

It is not a weakly prime, because it can be changed into another prime (2623220407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1311610200 + 1311610201.

It is an arithmetic number, because the mean of its divisors is an integer number (1311610201).

Almost surely, 2^2623220401 is an apocalyptic number.

It is an amenable number.

2623220401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2623220401 is an equidigital number, since it uses as much as digits as its factorization.

2623220401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2623220401 is about 51217.3837773856. The cubic root of 2623220401 is about 1379.1502857373.

Adding to 2623220401 its reverse (1040223262), we get a palindrome (3663443663).

The spelling of 2623220401 in words is "two billion, six hundred twenty-three million, two hundred twenty thousand, four hundred one".