75478923103 has 2 divisors, whose sum is σ = 75478923104. Its totient is φ = 75478923102.

The previous prime is 75478923077. The next prime is 75478923131. The reversal of 75478923103 is 30132987457.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75478923103 - 2⁵ = 75478923071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75478923503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37739461551 + 37739461552.

It is an arithmetic number, because the mean of its divisors is an integer number (37739461552).

Almost surely, 2^75478923103 is an apocalyptic number.

75478923103 is a deficient number, since it is larger than the sum of its proper divisors (1).

75478923103 is an equidigital number, since it uses as much as digits as its factorization.

75478923103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 75478923103 in words is "seventy-five billion, four hundred seventy-eight million, nine hundred twenty-three thousand, one hundred three".