70202423 has 2 divisors, whose sum is σ = 70202424. Its totient is φ = 70202422.

The previous prime is 70202413. The next prime is 70202437. The reversal of 70202423 is 32420207.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70202423 - 2¹² = 70198327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70202395 and 70202404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70202413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35101211 + 35101212.

It is an arithmetic number, because the mean of its divisors is an integer number (35101212).

Almost surely, 2^70202423 is an apocalyptic number.

70202423 is a deficient number, since it is larger than the sum of its proper divisors (1).

70202423 is an equidigital number, since it uses as much as digits as its factorization.

70202423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 70202423 is about 8378.6886205420. The cubic root of 70202423 is about 412.5254062099.

The spelling of 70202423 in words is "seventy million, two hundred two thousand, four hundred twenty-three".