2653420123 has 4 divisors (see below), whose sum is σ = 2653697448. Its totient is φ = 2653142800.

The previous prime is 2653420117. The next prime is 2653420181. The reversal of 2653420123 is 3210243562.

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-2653420123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2653420091 and 2653420100.

It is not an unprimeable number, because it can be changed into a prime (2653420423) 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, 123778 + ... + 143623.

It is an arithmetic number, because the mean of its divisors is an integer number (663424362).

Almost surely, 2^2653420123 is an apocalyptic number.

2653420123 is a deficient number, since it is larger than the sum of its proper divisors (277325).

2653420123 is an equidigital number, since it uses as much as digits as its factorization.

2653420123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277324.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 2653420123 is about 51511.3591647512. The cubic root of 2653420123 is about 1384.4225760515.

Adding to 2653420123 its reverse (3210243562), we get a palindrome (5863663685).

The spelling of 2653420123 in words is "two billion, six hundred fifty-three million, four hundred twenty thousand, one hundred twenty-three".