215012310623 has 16 divisors (see below), whose sum is σ = 238012121760. Its totient is φ = 192605644800.

The previous prime is 215012310571. The next prime is 215012310649. The reversal of 215012310623 is 326013210512.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 215012310623 - 2³² = 210717343327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 215012310592 and 215012310601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215012310323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195638 + ... + 684323.

It is an arithmetic number, because the mean of its divisors is an integer number (14875757610).

Almost surely, 2^215012310623 is an apocalyptic number.

215012310623 is a deficient number, since it is larger than the sum of its proper divisors (22999811137).

215012310623 is a wasteful number, since it uses less digits than its factorization.

215012310623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880298.

The product of its (nonzero) digits is 2160, while the sum is 26.

The spelling of 215012310623 in words is "two hundred fifteen billion, twelve million, three hundred ten thousand, six hundred twenty-three".