1223653214 has 12 divisors (see below), whose sum is σ = 2097915624. Its totient is φ = 524366712.

The previous prime is 1223653213. The next prime is 1223653243. The reversal of 1223653214 is 4123563221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223653213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126212 + ... + 135560.

It is an arithmetic number, because the mean of its divisors is an integer number (174826302).

Almost surely, 2^1223653214 is an apocalyptic number.

1223653214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1223653214 is a deficient number, since it is larger than the sum of its proper divisors (874262410).

1223653214 is an frugal number, since it uses more digits than its factorization.

1223653214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18707 (or 9358 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 1223653214 is about 34980.7549089496. The cubic root of 1223653214 is about 1069.5952159162.

The spelling of 1223653214 in words is "one billion, two hundred twenty-three million, six hundred fifty-three thousand, two hundred fourteen".