2383357381 has 4 divisors (see below), whose sum is σ = 2523554892. Its totient is φ = 2243159872.

The previous prime is 2383357351. The next prime is 2383357387. The reversal of 2383357381 is 1837533832.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1473792100 + 909565281 = 38390^2 + 30159^2 .

It is a cyclic number.

It is not a de Polignac number, because 2383357381 - 2²³ = 2374968773 is a prime.

It is a super-2 number, since 2×2383357381² = 11360784811134358322, 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 (2383357387) 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, 70098730 + ... + 70098763.

It is an arithmetic number, because the mean of its divisors is an integer number (630888723).

Almost surely, 2^2383357381 is an apocalyptic number.

It is an amenable number.

2383357381 is a deficient number, since it is larger than the sum of its proper divisors (140197511).

2383357381 is a wasteful number, since it uses less digits than its factorization.

2383357381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140197510.

The product of its digits is 362880, while the sum is 43.

The square root of 2383357381 is about 48819.6413444425. The cubic root of 2383357381 is about 1335.7639641592.

The spelling of 2383357381 in words is "two billion, three hundred eighty-three million, three hundred fifty-seven thousand, three hundred eighty-one".