23145026503500 has 288 divisors, whose sum is σ = 79662586139136. Its totient is φ = 5610209040000.

The previous prime is 23145026503457. The next prime is 23145026503517. The reversal of 23145026503500 is 530562054132.

23145026503500 is a `hidden beast` number, since 2 + 3 + 1 + 45 + 0 + 265 + 0 + 350 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 468393795 + ... + 468443205.

It is an arithmetic number, because the mean of its divisors is an integer number (276606201872).

Almost surely, 2^{23145026503500} is an apocalyptic number.

23145026503500 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 23145026503500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39831293069568).

23145026503500 is an abundant number, since it is smaller than the sum of its proper divisors (56517559635636).

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

23145026503500 is a wasteful number, since it uses less digits than its factorization.

23145026503500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58910 (or 58895 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 23145026503500 its reverse (530562054132), we get a palindrome (23675588557632).

The spelling of 23145026503500 in words is "twenty-three trillion, one hundred forty-five billion, twenty-six million, five hundred three thousand, five hundred".