23829990931 has 8 divisors (see below), whose sum is σ = 25696011600. Its totient is φ = 22025151360.

The previous prime is 23829990917. The next prime is 23829990971. The reversal of 23829990931 is 13909992832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23829990931 - 2⁹ = 23829990419 is a prime.

It is a super-2 number, since 2×23829990931² (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 (23829990971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15294466 + ... + 15296023.

It is an arithmetic number, because the mean of its divisors is an integer number (3212001450).

Almost surely, 2^23829990931 is an apocalyptic number.

23829990931 is a deficient number, since it is larger than the sum of its proper divisors (1866020669).

23829990931 is a wasteful number, since it uses less digits than its factorization.

23829990931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30590549.

The product of its (nonzero) digits is 1889568, while the sum is 55.

The spelling of 23829990931 in words is "twenty-three billion, eight hundred twenty-nine million, nine hundred ninety thousand, nine hundred thirty-one".