23378829339 has 4 divisors (see below), whose sum is σ = 31171772456. Its totient is φ = 15585886224.

The previous prime is 23378829307. The next prime is 23378829349. The reversal of 23378829339 is 93392887332.

It is a happy number.

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

It is not a de Polignac number, because 23378829339 - 2⁵ = 23378829307 is a prime.

It is a super-2 number, since 2×23378829339² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23378829349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3896471554 + ... + 3896471559.

It is an arithmetic number, because the mean of its divisors is an integer number (7792943114).

Almost surely, 2^23378829339 is an apocalyptic number.

23378829339 is a deficient number, since it is larger than the sum of its proper divisors (7792943117).

23378829339 is an equidigital number, since it uses as much as digits as its factorization.

23378829339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7792943116.

The product of its digits is 11757312, while the sum is 57.

The spelling of 23378829339 in words is "twenty-three billion, three hundred seventy-eight million, eight hundred twenty-nine thousand, three hundred thirty-nine".