1225533423 has 8 divisors (see below), whose sum is σ = 1634266368. Its totient is φ = 816911384.

The previous prime is 1225533401. The next prime is 1225533433. The reversal of 1225533423 is 3243355221.

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

It is a cyclic number.

It is not a de Polignac number, because 1225533423 - 2¹⁷ = 1225402351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225533433) 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, 2890 + ... + 49592.

It is an arithmetic number, because the mean of its divisors is an integer number (204283296).

Almost surely, 2^1225533423 is an apocalyptic number.

1225533423 is a deficient number, since it is larger than the sum of its proper divisors (408732945).

1225533423 is an equidigital number, since it uses as much as digits as its factorization.

1225533423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55453.

The product of its digits is 21600, while the sum is 30.

The square root of 1225533423 is about 35007.6194991890. The cubic root of 1225533423 is about 1070.1427657643.

Adding to 1225533423 its reverse (3243355221), we get a palindrome (4468888644).

The spelling of 1225533423 in words is "one billion, two hundred twenty-five million, five hundred thirty-three thousand, four hundred twenty-three".