31464423 has 8 divisors (see below), whose sum is σ = 46614000. Its totient is φ = 20976264.

The previous prime is 31464421. The next prime is 31464427. The reversal of 31464423 is 32446413.

31464423 is a `hidden beast` number, since 3 + 14 + 644 + 2 + 3 = 666.

It is not a de Polignac number, because 31464423 - 2¹ = 31464421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1165349 = 31464423 / (3 + 1 + 4 + 6 + 4 + 4 + 2 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31464421) 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, 582648 + ... + 582701.

It is an arithmetic number, because the mean of its divisors is an integer number (5826750).

Almost surely, 2^31464423 is an apocalyptic number.

31464423 is a deficient number, since it is larger than the sum of its proper divisors (15149577).

31464423 is a wasteful number, since it uses less digits than its factorization.

31464423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165358 (or 1165352 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 31464423 is about 5609.3157336702. The cubic root of 31464423 is about 315.6990371425.

It can be divided in two parts, 3146 and 4423, that added together give a square (7569 = 87²).

The spelling of 31464423 in words is "thirty-one million, four hundred sixty-four thousand, four hundred twenty-three".