101123903 has 2 divisors, whose sum is σ = 101123904. Its totient is φ = 101123902.

The previous prime is 101123879. The next prime is 101123933. The reversal of 101123903 is 309321101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101123903 - 2⁶ = 101123839 is a prime.

It is a Sophie Germain prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101123933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50561951 + 50561952.

It is an arithmetic number, because the mean of its divisors is an integer number (50561952).

Almost surely, 2^101123903 is an apocalyptic number.

101123903 is a deficient number, since it is larger than the sum of its proper divisors (1).

101123903 is an equidigital number, since it uses as much as digits as its factorization.

101123903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 101123903 is about 10056.0381363636. The cubic root of 101123903 is about 465.8913077623.

The spelling of 101123903 in words is "one hundred one million, one hundred twenty-three thousand, nine hundred three".