623212541 has 8 divisors (see below), whose sum is σ = 712579200. Its totient is φ = 533929968.

The previous prime is 623212529. The next prime is 623212543. The reversal of 623212541 is 145212326.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 623212541 - 2¹⁴ = 623196157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 623212541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623212543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4241 + ... + 35558.

It is an arithmetic number, because the mean of its divisors is an integer number (89072400).

Almost surely, 2^623212541 is an apocalyptic number.

It is an amenable number.

623212541 is a deficient number, since it is larger than the sum of its proper divisors (89366659).

623212541 is a wasteful number, since it uses less digits than its factorization.

623212541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42043.

The product of its digits is 2880, while the sum is 26.

The square root of 623212541 is about 24964.2252233071. The cubic root of 623212541 is about 854.1721252472.

Adding to 623212541 its reverse (145212326), we get a palindrome (768424867).

The spelling of 623212541 in words is "six hundred twenty-three million, two hundred twelve thousand, five hundred forty-one".