23145152540120 has 256 divisors, whose sum is σ = 58385325398400. Its totient is φ = 8198850723840.

The previous prime is 23145152540117. The next prime is 23145152540177. The reversal of 23145152540120 is 2104525154132.

It is a super-2 number, since 2×23145152540120² (a number of 28 digits) contains 22 as substring.

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, 2545936775 + ... + 2545945865.

Almost surely, 2^{23145152540120} is an apocalyptic number.

23145152540120 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 23145152540120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29192662699200).

23145152540120 is an abundant number, since it is smaller than the sum of its proper divisors (35240172858280).

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

23145152540120 is a wasteful number, since it uses less digits than its factorization.

23145152540120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10198 (or 10194 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 23145152540120 its reverse (2104525154132), we get a palindrome (25249677694252).

The spelling of 23145152540120 in words is "twenty-three trillion, one hundred forty-five billion, one hundred fifty-two million, five hundred forty thousand, one hundred twenty".