2343581381 has 4 divisors (see below), whose sum is σ = 2344085664. Its totient is φ = 2343077100.

The previous prime is 2343581371. The next prime is 2343581413. The reversal of 2343581381 is 1831853432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2343581381 - 2¹⁴ = 2343564997 is a prime.

It is a super-2 number, since 2×2343581381² = 10984747378739734322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2343581311) 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, 245105 + ... + 254486.

It is an arithmetic number, because the mean of its divisors is an integer number (586021416).

Almost surely, 2^2343581381 is an apocalyptic number.

It is an amenable number.

2343581381 is a deficient number, since it is larger than the sum of its proper divisors (504283).

2343581381 is an equidigital number, since it uses as much as digits as its factorization.

2343581381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504282.

The product of its digits is 69120, while the sum is 38.

The square root of 2343581381 is about 48410.5503067255. The cubic root of 2343581381 is about 1328.2913557054.

The spelling of 2343581381 in words is "two billion, three hundred forty-three million, five hundred eighty-one thousand, three hundred eighty-one".