23720790030 has 128 divisors (see below), whose sum is σ = 68949273600. Its totient is φ = 5098567680.

The previous prime is 23720790029. The next prime is 23720790073. The reversal of 23720790030 is 3009702732.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23720789973 and 23720790000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5784921 + ... + 5789019.

It is an arithmetic number, because the mean of its divisors is an integer number (538666200).

Almost surely, 2^23720790030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23720790030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34474636800).

23720790030 is an abundant number, since it is smaller than the sum of its proper divisors (45228483570).

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

23720790030 is a wasteful number, since it uses less digits than its factorization.

23720790030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5754.

The product of its (nonzero) digits is 15876, while the sum is 33.

The spelling of 23720790030 in words is "twenty-three billion, seven hundred twenty million, seven hundred ninety thousand, thirty".