215103513023 has 16 divisors (see below), whose sum is σ = 248560189440. Its totient is φ = 182338019136.

The previous prime is 215103513007. The next prime is 215103513067. The reversal of 215103513023 is 320315301512.

215103513023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 215103513023 - 2⁴ = 215103513007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 215103512983 and 215103513001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215103513323) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 108263 + ... + 664776.

It is an arithmetic number, because the mean of its divisors is an integer number (15535011840).

Almost surely, 2^215103513023 is an apocalyptic number.

215103513023 is a deficient number, since it is larger than the sum of its proper divisors (33456676417).

215103513023 is a wasteful number, since it uses less digits than its factorization.

215103513023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773486.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 215103513023 its reverse (320315301512), we get a palindrome (535418814535).

The spelling of 215103513023 in words is "two hundred fifteen billion, one hundred three million, five hundred thirteen thousand, twenty-three".