71403423 has 48 divisors (see below), whose sum is σ = 121744896. Its totient is φ = 36247680.

The previous prime is 71403421. The next prime is 71403433. The reversal of 71403423 is 32430417.

It is not a de Polignac number, because 71403423 - 2¹ = 71403421 is a prime.

It is a super-2 number, since 2×71403423² = 10196897632233858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71403393 and 71403402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71403421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 229438 + ... + 229748.

It is an arithmetic number, because the mean of its divisors is an integer number (2536352).

Almost surely, 2^71403423 is an apocalyptic number.

71403423 is a deficient number, since it is larger than the sum of its proper divisors (50341473).

71403423 is a wasteful number, since it uses less digits than its factorization.

71403423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 71403423 is about 8450.0546152081. The cubic root of 71403423 is about 414.8645670229.

The spelling of 71403423 in words is "seventy-one million, four hundred three thousand, four hundred twenty-three".