1423405225 has 24 divisors (see below), whose sum is σ = 1931126400. Its totient is φ = 1032168000.

The previous prime is 1423405183. The next prime is 1423405229. The reversal of 1423405225 is 5225043241.

It is not a de Polignac number, because 1423405225 - 2²¹ = 1421308073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1423405193 and 1423405202.

It is not an unprimeable number, because it can be changed into a prime (1423405229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88560 + ... + 103390.

It is an arithmetic number, because the mean of its divisors is an integer number (80463600).

Almost surely, 2^1423405225 is an apocalyptic number.

It is an amenable number.

1423405225 is a deficient number, since it is larger than the sum of its proper divisors (507721175).

1423405225 is a wasteful number, since it uses less digits than its factorization.

1423405225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15201 (or 15196 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1423405225 is about 37728.0429521596. The cubic root of 1423405225 is about 1124.8886079009. Note that the first 3 decimals are identical.

Adding to 1423405225 its reverse (5225043241), we get a palindrome (6648448466).

The spelling of 1423405225 in words is "one billion, four hundred twenty-three million, four hundred five thousand, two hundred twenty-five".