623041123 has 2 divisors, whose sum is σ = 623041124. Its totient is φ = 623041122.

The previous prime is 623041093. The next prime is 623041127. The reversal of 623041123 is 321140326.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 623041123 - 2⁵ = 623041091 is a prime.

It is a super-2 number, since 2×623041123² = 776360481898202258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 623041094 and 623041103.

It is not a weakly prime, because it can be changed into another prime (623041127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311520561 + 311520562.

It is an arithmetic number, because the mean of its divisors is an integer number (311520562).

Almost surely, 2^623041123 is an apocalyptic number.

623041123 is a deficient number, since it is larger than the sum of its proper divisors (1).

623041123 is an equidigital number, since it uses as much as digits as its factorization.

623041123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 623041123 is about 24960.7917142065. The cubic root of 623041123 is about 854.0938031690.

Adding to 623041123 its reverse (321140326), we get a palindrome (944181449).

The spelling of 623041123 in words is "six hundred twenty-three million, forty-one thousand, one hundred twenty-three".