16215102023 has 4 divisors (see below), whose sum is σ = 16257439488. Its totient is φ = 16172764560.

The previous prime is 16215101971. The next prime is 16215102073. The reversal of 16215102023 is 32020151261.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16215102023 - 2¹⁰ = 16215100999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16215102023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16215102073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21168158 + ... + 21168923.

It is an arithmetic number, because the mean of its divisors is an integer number (4064359872).

Almost surely, 2^16215102023 is an apocalyptic number.

16215102023 is a deficient number, since it is larger than the sum of its proper divisors (42337465).

16215102023 is an equidigital number, since it uses as much as digits as its factorization.

16215102023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42337464.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 16215102023 its reverse (32020151261), we get a palindrome (48235253284).

The spelling of 16215102023 in words is "sixteen billion, two hundred fifteen million, one hundred two thousand, twenty-three".