23120011123020 has 384 divisors, whose sum is σ = 85179002388480. Its totient is φ = 5094651790080.

The previous prime is 23120011123003. The next prime is 23120011123021. The reversal of 23120011123020 is 2032111002132.

23120011123020 is a `hidden beast` number, since 231 + 20 + 0 + 1 + 112 + 302 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23120011122984 and 23120011123002.

It is not an unprimeable number, because it can be changed into a prime (23120011123021) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 30443239 + ... + 31193441.

It is an arithmetic number, because the mean of its divisors is an integer number (221820318720).

Almost surely, 2^{23120011123020} is an apocalyptic number.

23120011123020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23120011123020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42589501194240).

23120011123020 is an abundant number, since it is smaller than the sum of its proper divisors (62058991265460).

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

23120011123020 is a wasteful number, since it uses less digits than its factorization.

23120011123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750522 (or 750514 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 23120011123020 its reverse (2032111002132), we get a palindrome (25152122125152).

The spelling of 23120011123020 in words is "twenty-three trillion, one hundred twenty billion, eleven million, one hundred twenty-three thousand, twenty".