1234423347 has 4 divisors (see below), whose sum is σ = 1645897800. Its totient is φ = 822948896.

The previous prime is 1234423303. The next prime is 1234423381. The reversal of 1234423347 is 7433244321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1234423347 - 2⁷ = 1234423219 is a prime.

It is a super-3 number, since 3×1234423347³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1234423387) 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, 205737222 + ... + 205737227.

It is an arithmetic number, because the mean of its divisors is an integer number (411474450).

Almost surely, 2^1234423347 is an apocalyptic number.

1234423347 is a deficient number, since it is larger than the sum of its proper divisors (411474453).

1234423347 is an equidigital number, since it uses as much as digits as its factorization.

1234423347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411474452.

The product of its digits is 48384, while the sum is 33.

The square root of 1234423347 is about 35134.3613432776. The cubic root of 1234423347 is about 1072.7241115872.

Adding to 1234423347 its reverse (7433244321), we get a palindrome (8667667668).

It can be divided in two parts, 1234 and 423347, that added together give a triangular number (424581 = T₉₂₁).

The spelling of 1234423347 in words is "one billion, two hundred thirty-four million, four hundred twenty-three thousand, three hundred forty-seven".