1230040334 has 4 divisors (see below), whose sum is σ = 1845060504. Its totient is φ = 615020166.

The previous prime is 1230040333. The next prime is 1230040363. The reversal of 1230040334 is 4330400321.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230040333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307510082 + ... + 307510085.

It is an arithmetic number, because the mean of its divisors is an integer number (461265126).

Almost surely, 2^1230040334 is an apocalyptic number.

1230040334 is a deficient number, since it is larger than the sum of its proper divisors (615020170).

1230040334 is an equidigital number, since it uses as much as digits as its factorization.

1230040334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615020169.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1230040334 is about 35071.9308564556. The cubic root of 1230040334 is about 1071.4529810837.

Adding to 1230040334 its reverse (4330400321), we get a palindrome (5560440655).

The spelling of 1230040334 in words is "one billion, two hundred thirty million, forty thousand, three hundred thirty-four".