1234323140 has 48 divisors (see below), whose sum is σ = 2615457600. Its totient is φ = 489297792.

The previous prime is 1234323133. The next prime is 1234323149. The reversal of 1234323140 is 413234321.

It is a super-2 number, since 2×1234323140² = 3047107227878919200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1234323149) 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, 1993751 + ... + 1994369.

It is an arithmetic number, because the mean of its divisors is an integer number (54488700).

Almost surely, 2^1234323140 is an apocalyptic number.

1234323140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1234323140 is an abundant number, since it is smaller than the sum of its proper divisors (1381134460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1234323140 is a wasteful number, since it uses less digits than its factorization.

1234323140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364 (or 1362 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1234323140 is about 35132.9352602369. The cubic root of 1234323140 is about 1072.6950838974.

Adding to 1234323140 its reverse (413234321), we get a palindrome (1647557461).

The spelling of 1234323140 in words is "one billion, two hundred thirty-four million, three hundred twenty-three thousand, one hundred forty".