1223354430 has 96 divisors (see below), whose sum is σ = 3234984480. Its totient is φ = 320705280.

The previous prime is 1223354423. The next prime is 1223354443. The reversal of 1223354430 is 344533221.

1223354430 is a `hidden beast` number, since 1 + 223 + 3 + 5 + 4 + 430 = 666.

It is a super-2 number, since 2×1223354430² = 2993192122801249800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1223354394 and 1223354403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2905620 + ... + 2906040.

It is an arithmetic number, because the mean of its divisors is an integer number (33697755).

Almost surely, 2^1223354430 is an apocalyptic number.

1223354430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223354430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1617492240).

1223354430 is an abundant number, since it is smaller than the sum of its proper divisors (2011630050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223354430 is a wasteful number, since it uses less digits than its factorization.

1223354430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 1223354430 is about 34976.4839570818. The cubic root of 1223354430 is about 1069.5081531363.

Adding to 1223354430 its reverse (344533221), we get a palindrome (1567887651).

The spelling of 1223354430 in words is "one billion, two hundred twenty-three million, three hundred fifty-four thousand, four hundred thirty".