623251230223 has 2 divisors, whose sum is σ = 623251230224. Its totient is φ = 623251230222.

The previous prime is 623251230193. The next prime is 623251230229. The reversal of 623251230223 is 322032152326.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 623251230223 - 2¹³ = 623251222031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (623251230229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311625615111 + 311625615112.

It is an arithmetic number, because the mean of its divisors is an integer number (311625615112).

Almost surely, 2^623251230223 is an apocalyptic number.

623251230223 is a deficient number, since it is larger than the sum of its proper divisors (1).

623251230223 is an equidigital number, since it uses as much as digits as its factorization.

623251230223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 623251230223 its reverse (322032152326), we get a palindrome (945283382549).

The spelling of 623251230223 in words is "six hundred twenty-three billion, two hundred fifty-one million, two hundred thirty thousand, two hundred twenty-three".