23356690038 has 192 divisors, whose sum is σ = 59113716480. Its totient is φ = 6851433600.

The previous prime is 23356690013. The next prime is 23356690039. The reversal of 23356690038 is 83009665332.

It is a junction number, because it is equal to n+sod(n) for n = 23356689975 and 23356690002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23356690039) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21848568 + ... + 21849636.

It is an arithmetic number, because the mean of its divisors is an integer number (307883940).

Almost surely, 2^23356690038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23356690038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29556858240).

23356690038 is an abundant number, since it is smaller than the sum of its proper divisors (35757026442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23356690038 is a wasteful number, since it uses less digits than its factorization.

23356690038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225 (or 1213 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The spelling of 23356690038 in words is "twenty-three billion, three hundred fifty-six million, six hundred ninety thousand, thirty-eight".