2152715023 has 4 divisors (see below), whose sum is σ = 2153637720. Its totient is φ = 2151792328.

The previous prime is 2152714997. The next prime is 2152715027. The reversal of 2152715023 is 3205172512.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2152715023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2152714982 and 2152715000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152715027) 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, 457840 + ... + 462517.

It is an arithmetic number, because the mean of its divisors is an integer number (538409430).

Almost surely, 2^2152715023 is an apocalyptic number.

2152715023 is a deficient number, since it is larger than the sum of its proper divisors (922697).

2152715023 is an equidigital number, since it uses as much as digits as its factorization.

2152715023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922696.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 2152715023 is about 46397.3600865394. The cubic root of 2152715023 is about 1291.2059357768.

Adding to 2152715023 its reverse (3205172512), we get a palindrome (5357887535).

The spelling of 2152715023 in words is "two billion, one hundred fifty-two million, seven hundred fifteen thousand, twenty-three".