70429123 has 2 divisors, whose sum is σ = 70429124. Its totient is φ = 70429122.

The previous prime is 70429111. The next prime is 70429129. The reversal of 70429123 is 32192407.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70429123 is a prime.

It is a super-2 number, since 2×70429123² = 9920522733098258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70429091 and 70429100.

It is not a weakly prime, because it can be changed into another prime (70429129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35214561 + 35214562.

It is an arithmetic number, because the mean of its divisors is an integer number (35214562).

Almost surely, 2^70429123 is an apocalyptic number.

70429123 is a deficient number, since it is larger than the sum of its proper divisors (1).

70429123 is an equidigital number, since it uses as much as digits as its factorization.

70429123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 70429123 is about 8392.2060866020. The cubic root of 70429123 is about 412.9689760107.

The spelling of 70429123 in words is "seventy million, four hundred twenty-nine thousand, one hundred twenty-three".