312303232212123 has 16 divisors (see below), whose sum is σ = 440987986104480. Its totient is φ = 195915277971456.

The previous prime is 312303232212043. The next prime is 312303232212149. The reversal of 312303232212123 is 321212232303213.

It is not a de Polignac number, because 312303232212123 - 2¹⁷ = 312303232081051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312303232212163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619921678 + ... + 620425251.

It is an arithmetic number, because the mean of its divisors is an integer number (27561749131530).

Almost surely, 2^{312303232212123} is an apocalyptic number.

312303232212123 is a deficient number, since it is larger than the sum of its proper divisors (128684753892357).

312303232212123 is a wasteful number, since it uses less digits than its factorization.

312303232212123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240351886.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 312303232212123 its reverse (321212232303213), we get a palindrome (633515464515336).

The spelling of 312303232212123 in words is "three hundred twelve trillion, three hundred three billion, two hundred thirty-two million, two hundred twelve thousand, one hundred twenty-three".