70903123 has 2 divisors, whose sum is σ = 70903124. Its totient is φ = 70903122.

The previous prime is 70903109. The next prime is 70903127. The reversal of 70903123 is 32130907.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70903123 is a prime.

It is not a weakly prime, because it can be changed into another prime (70903127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35451561 + 35451562.

It is an arithmetic number, because the mean of its divisors is an integer number (35451562).

Almost surely, 2^70903123 is an apocalyptic number.

70903123 is a deficient number, since it is larger than the sum of its proper divisors (1).

70903123 is an equidigital number, since it uses as much as digits as its factorization.

70903123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 70903123 is about 8420.3992185644. The cubic root of 70903123 is about 413.8933558854.

The spelling of 70903123 in words is "seventy million, nine hundred three thousand, one hundred twenty-three".