623103261 has 32 divisors (see below), whose sum is σ = 963446400. Its totient is φ = 354017280.

The previous prime is 623103259. The next prime is 623103293. The reversal of 623103261 is 162301326.

It is a happy number.

623103261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 623103261 - 2¹ = 623103259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623103241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148845 + ... + 152973.

It is an arithmetic number, because the mean of its divisors is an integer number (30107700).

Almost surely, 2^623103261 is an apocalyptic number.

It is an amenable number.

623103261 is a deficient number, since it is larger than the sum of its proper divisors (340343139).

623103261 is a wasteful number, since it uses less digits than its factorization.

623103261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4429.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 623103261 is about 24962.0363952944. The cubic root of 623103261 is about 854.1221961137.

Adding to 623103261 its reverse (162301326), we get a palindrome (785404587).

The spelling of 623103261 in words is "six hundred twenty-three million, one hundred three thousand, two hundred sixty-one".