23218930161390 has 128 divisors (see below), whose sum is σ = 57595455751680. Its totient is φ = 5986757836800.

The previous prime is 23218930161319. The next prime is 23218930161451. The reversal of 23218930161390 is 9316103981232.

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, 123815277 + ... + 124002663.

It is an arithmetic number, because the mean of its divisors is an integer number (449964498060).

Almost surely, 2^{23218930161390} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23218930161390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28797727875840).

23218930161390 is an abundant number, since it is smaller than the sum of its proper divisors (34376525590290).

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

23218930161390 is a wasteful number, since it uses less digits than its factorization.

23218930161390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188338.

The product of its (nonzero) digits is 419904, while the sum is 48.

The spelling of 23218930161390 in words is "twenty-three trillion, two hundred eighteen billion, nine hundred thirty million, one hundred sixty-one thousand, three hundred ninety".