1214144023 has 4 divisors (see below), whose sum is σ = 1278046360. Its totient is φ = 1150241688.

The previous prime is 1214143979. The next prime is 1214144027. The reversal of 1214144023 is 3204414121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3204414121 = 139 ⋅23053339.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1214144023 is a prime.

It is a super-3 number, since 3×1214144023³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1214143985 and 1214144003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214144027) 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, 31951140 + ... + 31951177.

It is an arithmetic number, because the mean of its divisors is an integer number (319511590).

Almost surely, 2^1214144023 is an apocalyptic number.

1214144023 is a deficient number, since it is larger than the sum of its proper divisors (63902337).

1214144023 is an equidigital number, since it uses as much as digits as its factorization.

1214144023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63902336.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1214144023 is about 34844.5694908116. The cubic root of 1214144023 is about 1066.8173465630.

Adding to 1214144023 its reverse (3204414121), we get a palindrome (4418558144).

The spelling of 1214144023 in words is "one billion, two hundred fourteen million, one hundred forty-four thousand, twenty-three".