312353405 has 24 divisors (see below), whose sum is σ = 463865472. Its totient is φ = 197705664.

The previous prime is 312353401. The next prime is 312353423. The reversal of 312353405 is 504353213.

It is not a de Polignac number, because 312353405 - 2² = 312353401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312353401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20489 + ... + 32318.

It is an arithmetic number, because the mean of its divisors is an integer number (19327728).

Almost surely, 2^312353405 is an apocalyptic number.

312353405 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

312353405 is a deficient number, since it is larger than the sum of its proper divisors (151512067).

312353405 is a wasteful number, since it uses less digits than its factorization.

312353405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52845 (or 52832 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 312353405 is about 17673.5227105408. The cubic root of 312353405 is about 678.4982755384.

The spelling of 312353405 in words is "three hundred twelve million, three hundred fifty-three thousand, four hundred five".