623344061 has 4 divisors (see below), whose sum is σ = 624126972. Its totient is φ = 622561152.

The previous prime is 623344031. The next prime is 623344079. The reversal of 623344061 is 160443326.

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 111724900 + 511619161 = 10570^2 + 22619^2 .

It is a cyclic number.

It is not a de Polignac number, because 623344061 - 2¹⁰ = 623343037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623344021) 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, 390260 + ... + 391853.

It is an arithmetic number, because the mean of its divisors is an integer number (156031743).

Almost surely, 2^623344061 is an apocalyptic number.

It is an amenable number.

623344061 is a deficient number, since it is larger than the sum of its proper divisors (782911).

623344061 is an equidigital number, since it uses as much as digits as its factorization.

623344061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782910.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 623344061 is about 24966.8592538189. The cubic root of 623344061 is about 854.2322079150.

Adding to 623344061 its reverse (160443326), we get a palindrome (783787387).

The spelling of 623344061 in words is "six hundred twenty-three million, three hundred forty-four thousand, sixty-one".