623041061 has 4 divisors (see below), whose sum is σ = 637530432. Its totient is φ = 608551692.

The previous prime is 623041033. The next prime is 623041063. The reversal of 623041061 is 160140326.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 160140326 = 2 ⋅80070163.

It is a cyclic number.

It is not a de Polignac number, because 623041061 - 2²² = 618846757 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 (623041063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7244621 + ... + 7244706.

It is an arithmetic number, because the mean of its divisors is an integer number (159382608).

Almost surely, 2^623041061 is an apocalyptic number.

It is an amenable number.

623041061 is a deficient number, since it is larger than the sum of its proper divisors (14489371).

623041061 is a wasteful number, since it uses less digits than its factorization.

623041061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14489370.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 623041061 is about 24960.7904722587. The cubic root of 623041061 is about 854.0937748382.

Adding to 623041061 its reverse (160140326), we get a palindrome (783181387).

The spelling of 623041061 in words is "six hundred twenty-three million, forty-one thousand, sixty-one".