623723341 has 2 divisors, whose sum is σ = 623723342. Its totient is φ = 623723340.

The previous prime is 623723333. The next prime is 623723371. The reversal of 623723341 is 143327326.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 493284100 + 130439241 = 22210^2 + 11421^2 .

It is a cyclic number.

It is not a de Polignac number, because 623723341 - 2³ = 623723333 is a prime.

It is a super-2 number, since 2×623723341² = 778061612216404562, which contains 22 as substring.

It is equal to p_32497150 and since 623723341 and 32497150 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (623723371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311861670 + 311861671.

It is an arithmetic number, because the mean of its divisors is an integer number (311861671).

Almost surely, 2^623723341 is an apocalyptic number.

It is an amenable number.

623723341 is a deficient number, since it is larger than the sum of its proper divisors (1).

623723341 is an equidigital number, since it uses as much as digits as its factorization.

623723341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 31.

The square root of 623723341 is about 24974.4537678004. The cubic root of 623723341 is about 854.4054281968.

The spelling of 623723341 in words is "six hundred twenty-three million, seven hundred twenty-three thousand, three hundred forty-one".