623572253 has 2 divisors, whose sum is σ = 623572254. Its totient is φ = 623572252.

The previous prime is 623572247. The next prime is 623572273. The reversal of 623572253 is 352275326.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 370062169 + 253510084 = 19237^2 + 15922^2 .

It is a cyclic number.

It is not a de Polignac number, because 623572253 - 2⁴ = 623572237 is a prime.

It is a super-2 number, since 2×623572253² = 777684709422992018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (623572273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311786126 + 311786127.

It is an arithmetic number, because the mean of its divisors is an integer number (311786127).

Almost surely, 2^623572253 is an apocalyptic number.

It is an amenable number.

623572253 is a deficient number, since it is larger than the sum of its proper divisors (1).

623572253 is an equidigital number, since it uses as much as digits as its factorization.

623572253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 35.

The square root of 623572253 is about 24971.4287336548. The cubic root of 623572253 is about 854.3364334873.

The spelling of 623572253 in words is "six hundred twenty-three million, five hundred seventy-two thousand, two hundred fifty-three".