71224023 has 8 divisors (see below), whose sum is σ = 102270448. Its totient is φ = 43830144.

The previous prime is 71224009. The next prime is 71224051. The reversal of 71224023 is 32042217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71224023 - 2¹⁰ = 71222999 is a prime.

It is a super-2 number, since 2×71224023² = 10145722904609058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71224063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 913090 + ... + 913167.

It is an arithmetic number, because the mean of its divisors is an integer number (12783806).

Almost surely, 2^71224023 is an apocalyptic number.

71224023 is a deficient number, since it is larger than the sum of its proper divisors (31046425).

71224023 is a wasteful number, since it uses less digits than its factorization.

71224023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826273.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 71224023 is about 8439.4326231092. The cubic root of 71224023 is about 414.5168286871.

The spelling of 71224023 in words is "seventy-one million, two hundred twenty-four thousand, twenty-three".