1425311223 has 8 divisors (see below), whose sum is σ = 2171902848. Its totient is φ = 814463544.

The previous prime is 1425311213. The next prime is 1425311243. The reversal of 1425311223 is 3221135241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1425311223 - 2⁴ = 1425311207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1425311193 and 1425311202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425311213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33935961 + ... + 33936002.

It is an arithmetic number, because the mean of its divisors is an integer number (271487856).

Almost surely, 2^1425311223 is an apocalyptic number.

1425311223 is a deficient number, since it is larger than the sum of its proper divisors (746591625).

1425311223 is an equidigital number, since it uses as much as digits as its factorization.

1425311223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67871973.

The product of its digits is 1440, while the sum is 24.

The square root of 1425311223 is about 37753.2942006390. The cubic root of 1425311223 is about 1125.3904746279.

Adding to 1425311223 its reverse (3221135241), we get a palindrome (4646446464).

The spelling of 1425311223 in words is "one billion, four hundred twenty-five million, three hundred eleven thousand, two hundred twenty-three".