2623420433 has 4 divisors (see below), whose sum is σ = 2777739300. Its totient is φ = 2469101568.

The previous prime is 2623420409. The next prime is 2623420441. The reversal of 2623420433 is 3340243262.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2423395984 + 200024449 = 49228^2 + 14143^2 .

It is a cyclic number.

It is not a de Polignac number, because 2623420433 - 2⁶ = 2623420369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2623420396 and 2623420405.

It is not an unprimeable number, because it can be changed into a prime (2623420453) 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, 77159408 + ... + 77159441.

It is an arithmetic number, because the mean of its divisors is an integer number (694434825).

Almost surely, 2^2623420433 is an apocalyptic number.

It is an amenable number.

2623420433 is a deficient number, since it is larger than the sum of its proper divisors (154318867).

2623420433 is a wasteful number, since it uses less digits than its factorization.

2623420433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154318866.

The product of its (nonzero) digits is 20736, while the sum is 29.

The square root of 2623420433 is about 51219.3365146406. The cubic root of 2623420433 is about 1379.1853402550.

Adding to 2623420433 its reverse (3340243262), we get a palindrome (5963663695).

The spelling of 2623420433 in words is "two billion, six hundred twenty-three million, four hundred twenty thousand, four hundred thirty-three".