2623655403 has 24 divisors (see below), whose sum is σ = 3848173056. Its totient is φ = 1722193200.

The previous prime is 2623655399. The next prime is 2623655429. The reversal of 2623655403 is 3045563262.

It is not a de Polignac number, because 2623655403 - 2² = 2623655399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2623655443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 579876 + ... + 584382.

It is an arithmetic number, because the mean of its divisors is an integer number (160340544).

Almost surely, 2^2623655403 is an apocalyptic number.

2623655403 is a deficient number, since it is larger than the sum of its proper divisors (1224517653).

2623655403 is a wasteful number, since it uses less digits than its factorization.

2623655403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5495 (or 5492 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The square root of 2623655403 is about 51221.6302259114. The cubic root of 2623655403 is about 1379.2265151909.

The spelling of 2623655403 in words is "two billion, six hundred twenty-three million, six hundred fifty-five thousand, four hundred three".