82623953 has 4 divisors (see below), whose sum is σ = 82994688. Its totient is φ = 82253220.

The previous prime is 82623911. The next prime is 82623971. The reversal of 82623953 is 35932628.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82623953 - 2¹⁰ = 82622929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82620953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185033 + ... + 185478.

It is an arithmetic number, because the mean of its divisors is an integer number (20748672).

Almost surely, 2^82623953 is an apocalyptic number.

It is an amenable number.

82623953 is a deficient number, since it is larger than the sum of its proper divisors (370735).

82623953 is a wasteful number, since it uses less digits than its factorization.

82623953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370734.

The product of its digits is 77760, while the sum is 38.

The square root of 82623953 is about 9089.7718893270. The cubic root of 82623953 is about 435.5472972104.

The spelling of 82623953 in words is "eighty-two million, six hundred twenty-three thousand, nine hundred fifty-three".