623242461 has 4 divisors (see below), whose sum is σ = 830989952. Its totient is φ = 415494972.

The previous prime is 623242453. The next prime is 623242469. The reversal of 623242461 is 164242326.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (623242453) and next prime (623242469).

It is not a de Polignac number, because 623242461 - 2³ = 623242453 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623242469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103873741 + ... + 103873746.

It is an arithmetic number, because the mean of its divisors is an integer number (207747488).

Almost surely, 2^623242461 is an apocalyptic number.

It is an amenable number.

623242461 is a deficient number, since it is larger than the sum of its proper divisors (207747491).

623242461 is a wasteful number, since it uses less digits than its factorization.

623242461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207747490.

The product of its digits is 13824, while the sum is 30.

The square root of 623242461 is about 24964.8244736469. The cubic root of 623242461 is about 854.1857944313.

Adding to 623242461 its reverse (164242326), we get a palindrome (787484787).

The spelling of 623242461 in words is "six hundred twenty-three million, two hundred forty-two thousand, four hundred sixty-one".