2343402390 has 128 divisors (see below), whose sum is σ = 6627962880. Its totient is φ = 519136128.

The previous prime is 2343402361. The next prime is 2343402401. The reversal of 2343402390 is 932043432.

It is a super-2 number, since 2×2343402390² = 10983069522915424200, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1254237 + ... + 1256103.

It is an arithmetic number, because the mean of its divisors is an integer number (51780960).

Almost surely, 2^2343402390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2343402390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3313981440).

2343402390 is an abundant number, since it is smaller than the sum of its proper divisors (4284560490).

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

2343402390 is a wasteful number, since it uses less digits than its factorization.

2343402390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 2343402390 is about 48408.7015938251. The cubic root of 2343402390 is about 1328.2575387656.

The spelling of 2343402390 in words is "two billion, three hundred forty-three million, four hundred two thousand, three hundred ninety".