1214023430 has 32 divisors (see below), whose sum is σ = 2302270560. Its totient is φ = 459648000.

The previous prime is 1214023427. The next prime is 1214023439. The reversal of 1214023430 is 343204121.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214023439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301430 + ... + 305430.

It is an arithmetic number, because the mean of its divisors is an integer number (71945955).

Almost surely, 2^1214023430 is an apocalyptic number.

1214023430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1214023430 is a deficient number, since it is larger than the sum of its proper divisors (1088247130).

1214023430 is a wasteful number, since it uses less digits than its factorization.

1214023430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5624.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1214023430 is about 34842.8390060282. The cubic root of 1214023430 is about 1066.7820253926.

Adding to 1214023430 its reverse (343204121), we get a palindrome (1557227551).

The spelling of 1214023430 in words is "one billion, two hundred fourteen million, twenty-three thousand, four hundred thirty".