10215135623 has 32 divisors (see below), whose sum is σ = 13429309440. Its totient is φ = 7527828960.

The previous prime is 10215135589. The next prime is 10215135649. The reversal of 10215135623 is 32653151201.

10215135623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10215135623 - 2⁸ = 10215135367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10215135683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 882290 + ... + 893792.

It is an arithmetic number, because the mean of its divisors is an integer number (419665920).

Almost surely, 2^10215135623 is an apocalyptic number.

10215135623 is a deficient number, since it is larger than the sum of its proper divisors (3214173817).

10215135623 is a wasteful number, since it uses less digits than its factorization.

10215135623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12147.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 10215135623 its reverse (32653151201), we get a palindrome (42868286824).

The spelling of 10215135623 in words is "ten billion, two hundred fifteen million, one hundred thirty-five thousand, six hundred twenty-three".