312343032223420 has 48 divisors (see below), whose sum is σ = 715551252087168. Its totient is φ = 113579005066560.

The previous prime is 312343032223363. The next prime is 312343032223433. The reversal of 312343032223420 is 24322230343213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101827807 + ... + 104850313.

It is an arithmetic number, because the mean of its divisors is an integer number (14907317751816).

Almost surely, 2^{312343032223420} is an apocalyptic number.

It is an amenable number.

312343032223420 is an abundant number, since it is smaller than the sum of its proper divisors (403208219863748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312343032223420 is a wasteful number, since it uses less digits than its factorization.

312343032223420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3492250 (or 3492248 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 312343032223420 its reverse (24322230343213), we get a palindrome (336665262566633).

The spelling of 312343032223420 in words is "three hundred twelve trillion, three hundred forty-three billion, thirty-two million, two hundred twenty-three thousand, four hundred twenty".