23000012452040 has 128 divisors (see below), whose sum is σ = 58667084784000. Its totient is φ = 8044925349888.

The previous prime is 23000012452037. The next prime is 23000012452049. The reversal of 23000012452040 is 4025421000032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23000012451997 and 23000012452015.

It is not an unprimeable number, because it can be changed into a prime (23000012452049) 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, 232515872 + ... + 232614768.

It is an arithmetic number, because the mean of its divisors is an integer number (458336599875).

Almost surely, 2^{23000012452040} is an apocalyptic number.

23000012452040 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 23000012452040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29333542392000).

23000012452040 is an abundant number, since it is smaller than the sum of its proper divisors (35667072331960).

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

23000012452040 is a wasteful number, since it uses less digits than its factorization.

23000012452040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122479 (or 122475 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 23000012452040 its reverse (4025421000032), we get a palindrome (27025433452072).

The spelling of 23000012452040 in words is "twenty-three trillion, twelve million, four hundred fifty-two thousand, forty".