312123023310 has 64 divisors (see below), whose sum is σ = 856537431552. Its totient is φ = 71306691456.

The previous prime is 312123023309. The next prime is 312123023321. The reversal of 312123023310 is 13320321213.

It is a super-3 number, since 3×312123023310³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49612 + ... + 791648.

It is an arithmetic number, because the mean of its divisors is an integer number (13383397368).

Almost surely, 2^312123023310 is an apocalyptic number.

312123023310 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312123023310 is an abundant number, since it is smaller than the sum of its proper divisors (544414408242).

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

312123023310 is a wasteful number, since it uses less digits than its factorization.

312123023310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744057.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 312123023310 its reverse (13320321213), we get a palindrome (325443344523).

The spelling of 312123023310 in words is "three hundred twelve billion, one hundred twenty-three million, twenty-three thousand, three hundred ten".