23103415551220 has 12 divisors (see below), whose sum is σ = 48517172657604. Its totient is φ = 9241366220480.

The previous prime is 23103415551217. The next prime is 23103415551253. The reversal of 23103415551220 is 2215551430132.

It can be written as a sum of positive squares in 2 ways, for example, as 11382337507984 + 11721078043236 = 3373772^2 + 3423606^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577585388761 + ... + 577585388800.

It is an arithmetic number, because the mean of its divisors is an integer number (4043097721467).

Almost surely, 2^{23103415551220} is an apocalyptic number.

23103415551220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23103415551220 is an abundant number, since it is smaller than the sum of its proper divisors (25413757106384).

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

23103415551220 is a wasteful number, since it uses less digits than its factorization.

23103415551220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155170777570 (or 1155170777568 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 23103415551220 its reverse (2215551430132), we get a palindrome (25318966981352).

The spelling of 23103415551220 in words is "twenty-three trillion, one hundred three billion, four hundred fifteen million, five hundred fifty-one thousand, two hundred twenty".