32278481023 has 4 divisors (see below), whose sum is σ = 33150872440. Its totient is φ = 31406089608.

The previous prime is 32278480931. The next prime is 32278481063. The reversal of 32278481023 is 32018487223.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32278481023 - 2²⁵ = 32244926591 is a prime.

It is a super-2 number, since 2×32278481023² (a number of 22 digits) 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 (32278481063) 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, 436195653 + ... + 436195726.

It is an arithmetic number, because the mean of its divisors is an integer number (8287718110).

Almost surely, 2^32278481023 is an apocalyptic number.

32278481023 is a deficient number, since it is larger than the sum of its proper divisors (872391417).

32278481023 is an equidigital number, since it uses as much as digits as its factorization.

32278481023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872391416.

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 32278481023 in words is "thirty-two billion, two hundred seventy-eight million, four hundred eighty-one thousand, twenty-three".