1225411423 has 4 divisors (see below), whose sum is σ = 1240923040. Its totient is φ = 1209899808.

The previous prime is 1225411409. The next prime is 1225411427. The reversal of 1225411423 is 3241145221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3241145221 = 13241 ⋅244781.

It is a cyclic number.

It is not a de Polignac number, because 1225411423 - 2¹⁷ = 1225280351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225411427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7755690 + ... + 7755847.

It is an arithmetic number, because the mean of its divisors is an integer number (310230760).

Almost surely, 2^1225411423 is an apocalyptic number.

1225411423 is a deficient number, since it is larger than the sum of its proper divisors (15511617).

1225411423 is an equidigital number, since it uses as much as digits as its factorization.

1225411423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15511616.

The product of its digits is 1920, while the sum is 25.

The square root of 1225411423 is about 35005.8769780161. The cubic root of 1225411423 is about 1070.1072542209.

Adding to 1225411423 its reverse (3241145221), we get a palindrome (4466556644).

The spelling of 1225411423 in words is "one billion, two hundred twenty-five million, four hundred eleven thousand, four hundred twenty-three".