101623253 has 2 divisors, whose sum is σ = 101623254. Its totient is φ = 101623252.

The previous prime is 101623243. The next prime is 101623283. The reversal of 101623253 is 352326101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92025649 + 9597604 = 9593^2 + 3098^2 .

It is a cyclic number.

It is not a de Polignac number, because 101623253 - 2⁴ = 101623237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101623243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50811626 + 50811627.

It is an arithmetic number, because the mean of its divisors is an integer number (50811627).

Almost surely, 2^101623253 is an apocalyptic number.

It is an amenable number.

101623253 is a deficient number, since it is larger than the sum of its proper divisors (1).

101623253 is an equidigital number, since it uses as much as digits as its factorization.

101623253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 101623253 is about 10080.8359276401. The cubic root of 101623253 is about 466.6569063151.

Adding to 101623253 its reverse (352326101), we get a palindrome (453949354).

The spelling of 101623253 in words is "one hundred one million, six hundred twenty-three thousand, two hundred fifty-three".