23829170690 has 24 divisors (see below), whose sum is σ = 46445735988. Its totient is φ = 8798462400.

The previous prime is 23829170647. The next prime is 23829170719. The reversal of 23829170690 is 9607192832.

It is a happy number.

It is a Cunningham number, because it is equal to 154367²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 8578649641 + 15250521049 = 92621^2 + 123493^2 .

It is a super-2 number, since 2×23829170690² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7048361 + ... + 7051740.

Almost surely, 2^23829170690 is an apocalyptic number.

23829170690 is a deficient number, since it is larger than the sum of its proper divisors (22616565298).

23829170690 is a wasteful number, since it uses less digits than its factorization.

23829170690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14100134 (or 14100121 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 23829170690 in words is "twenty-three billion, eight hundred twenty-nine million, one hundred seventy thousand, six hundred ninety".