2343445140 has 24 divisors (see below), whose sum is σ = 6561646560. Its totient is φ = 624918688.

The previous prime is 2343445133. The next prime is 2343445151. The reversal of 2343445140 is 415443432.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2343445098 and 2343445107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19528650 + ... + 19528769.

It is an arithmetic number, because the mean of its divisors is an integer number (273401940).

Almost surely, 2^2343445140 is an apocalyptic number.

2343445140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2343445140 is an abundant number, since it is smaller than the sum of its proper divisors (4218201420).

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

2343445140 is a wasteful number, since it uses less digits than its factorization.

2343445140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39057431 (or 39057429 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 2343445140 is about 48409.1431446581. The cubic root of 2343445140 is about 1328.2656157203.

Adding to 2343445140 its reverse (415443432), we get a palindrome (2758888572).

The spelling of 2343445140 in words is "two billion, three hundred forty-three million, four hundred forty-five thousand, one hundred forty".