2015423053 has 4 divisors (see below), whose sum is σ = 2303340640. Its totient is φ = 1727505468.

The previous prime is 2015423009. The next prime is 2015423077. The reversal of 2015423053 is 3503245102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2015423053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015423453) 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, 143958783 + ... + 143958796.

It is an arithmetic number, because the mean of its divisors is an integer number (575835160).

Almost surely, 2^2015423053 is an apocalyptic number.

It is an amenable number.

2015423053 is a deficient number, since it is larger than the sum of its proper divisors (287917587).

2015423053 is an equidigital number, since it uses as much as digits as its factorization.

2015423053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287917586.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2015423053 is about 44893.4633660625. The cubic root of 2015423053 is about 1263.1513986181.

Adding to 2015423053 its reverse (3503245102), we get a palindrome (5518668155).

The spelling of 2015423053 in words is "two billion, fifteen million, four hundred twenty-three thousand, fifty-three".