23120162040 has 128 divisors (see below), whose sum is σ = 70190530560. Its totient is φ = 6091997184.

The previous prime is 23120162033. The next prime is 23120162047. The reversal of 23120162040 is 4026102132.

It is an interprime number because it is at equal distance from previous prime (23120162033) and next prime (23120162047).

It is a super-3 number, since 3×23120162040³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23120161998 and 23120162016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23120162047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3913729 + ... + 3919631.

It is an arithmetic number, because the mean of its divisors is an integer number (548363520).

Almost surely, 2^23120162040 is an apocalyptic number.

23120162040 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 23120162040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35095265280).

23120162040 is an abundant number, since it is smaller than the sum of its proper divisors (47070368520).

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

23120162040 is a wasteful number, since it uses less digits than its factorization.

23120162040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6301 (or 6297 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 23120162040 its reverse (4026102132), we get a palindrome (27146264172).

The spelling of 23120162040 in words is "twenty-three billion, one hundred twenty million, one hundred sixty-two thousand, forty".