23450140311040 has 160 divisors (see below), whose sum is σ = 56891375861760. Its totient is φ = 9269305344000.

The previous prime is 23450140311011. The next prime is 23450140311041. The reversal of 23450140311040 is 4011304105432.

It is a tau number, because it is divible by the number of its divisors (160).

It is a super-3 number, since 3×23450140311040³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23450140311041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134622721 + ... + 134796799.

It is an arithmetic number, because the mean of its divisors is an integer number (355571099136).

Almost surely, 2^{23450140311040} is an apocalyptic number.

23450140311040 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 23450140311040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28445687930880).

23450140311040 is an abundant number, since it is smaller than the sum of its proper divisors (33441235550720).

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

23450140311040 is a wasteful number, since it uses less digits than its factorization.

23450140311040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174724 (or 174708 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 23450140311040 its reverse (4011304105432), we get a palindrome (27461444416472).

The spelling of 23450140311040 in words is "twenty-three trillion, four hundred fifty billion, one hundred forty million, three hundred eleven thousand, forty".