31675423 has 4 divisors (see below), whose sum is σ = 34112008. Its totient is φ = 29238840.

The previous prime is 31675417. The next prime is 31675429. The reversal of 31675423 is 32457613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32457613 = 2309 ⋅14057.

It is an interprime number because it is at equal distance from previous prime (31675417) and next prime (31675429).

It is a cyclic number.

It is not a de Polignac number, because 31675423 - 2¹³ = 31667231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31675429) 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, 1218273 + ... + 1218298.

It is an arithmetic number, because the mean of its divisors is an integer number (8528002).

Almost surely, 2^31675423 is an apocalyptic number.

31675423 is a deficient number, since it is larger than the sum of its proper divisors (2436585).

31675423 is a wasteful number, since it uses less digits than its factorization.

31675423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436584.

The product of its digits is 15120, while the sum is 31.

The square root of 31675423 is about 5628.0923055686. The cubic root of 31675423 is about 316.4031567156.

The spelling of 31675423 in words is "thirty-one million, six hundred seventy-five thousand, four hundred twenty-three".