70667123 has 2 divisors, whose sum is σ = 70667124. Its totient is φ = 70667122.

The previous prime is 70667117. The next prime is 70667131. The reversal of 70667123 is 32176607.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70667123 - 2⁶ = 70667059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70667123.

It is not a weakly prime, because it can be changed into another prime (70667153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35333561 + 35333562.

It is an arithmetic number, because the mean of its divisors is an integer number (35333562).

Almost surely, 2^70667123 is an apocalyptic number.

70667123 is a deficient number, since it is larger than the sum of its proper divisors (1).

70667123 is an equidigital number, since it uses as much as digits as its factorization.

70667123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 70667123 is about 8406.3739507590. The cubic root of 70667123 is about 413.4336328018.

The spelling of 70667123 in words is "seventy million, six hundred sixty-seven thousand, one hundred twenty-three".