2613923 has 6 divisors (see below), whose sum is σ = 2830644. Its totient is φ = 2412696.

The previous prime is 2613901. The next prime is 2613931. The reversal of 2613923 is 3293162.

It is not a de Polignac number, because 2613923 - 2¹⁸ = 2351779 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2613892 and 2613901.

It is not an unprimeable number, because it can be changed into a prime (2613953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7565 + ... + 7902.

It is an arithmetic number, because the mean of its divisors is an integer number (471774).

2^2613923 is an apocalyptic number.

2613923 is a deficient number, since it is larger than the sum of its proper divisors (216721).

2613923 is a wasteful number, since it uses less digits than its factorization.

2613923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15493 (or 15480 counting only the distinct ones).

The product of its digits is 1944, while the sum is 26.

The square root of 2613923 is about 1616.7631242702. The cubic root of 2613923 is about 137.7518996711.

It can be divided in two parts, 26139 and 23, that added together give a palindrome (26162).

The spelling of 2613923 in words is "two million, six hundred thirteen thousand, nine hundred twenty-three".