101438863 has 2 divisors, whose sum is σ = 101438864. Its totient is φ = 101438862.

The previous prime is 101438861. The next prime is 101438893. The reversal of 101438863 is 368834101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101438863 - 2¹ = 101438861 is a prime.

Together with 101438861, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101438861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50719431 + 50719432.

It is an arithmetic number, because the mean of its divisors is an integer number (50719432).

Almost surely, 2^101438863 is an apocalyptic number.

101438863 is a deficient number, since it is larger than the sum of its proper divisors (1).

101438863 is an equidigital number, since it uses as much as digits as its factorization.

101438863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 101438863 is about 10071.6862044049. The cubic root of 101438863 is about 466.3744940409.

The spelling of 101438863 in words is "one hundred one million, four hundred thirty-eight thousand, eight hundred sixty-three".