23483398381 has 4 divisors (see below), whose sum is σ = 23488159932. Its totient is φ = 23478636832.

The previous prime is 23483398369. The next prime is 23483398399. The reversal of 23483398381 is 18389338432.

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 16911702025 + 6571696356 = 130045^2 + 81066^2 .

It is a cyclic number.

It is not a de Polignac number, because 23483398381 - 2²¹ = 23481301229 is a prime.

It is a super-2 number, since 2×23483398381² (a number of 22 digits) 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 (23483398321) 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, 2373370 + ... + 2383243.

It is an arithmetic number, because the mean of its divisors is an integer number (5872039983).

Almost surely, 2^23483398381 is an apocalyptic number.

It is an amenable number.

23483398381 is a deficient number, since it is larger than the sum of its proper divisors (4761551).

23483398381 is an equidigital number, since it uses as much as digits as its factorization.

23483398381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4761550.

The product of its digits is 2985984, while the sum is 52.

The spelling of 23483398381 in words is "twenty-three billion, four hundred eighty-three million, three hundred ninety-eight thousand, three hundred eighty-one".