311032023123 has 8 divisors (see below), whose sum is σ = 417253594048. Its totient is φ = 206082567144.

The previous prime is 311032023121. The next prime is 311032023227. The reversal of 311032023123 is 321320230113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 311032023123 - 2¹ = 311032023121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 311032023123.

It is not an unprimeable number, because it can be changed into a prime (311032023121) 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, 318028165 + ... + 318029142.

It is an arithmetic number, because the mean of its divisors is an integer number (52156699256).

Almost surely, 2^311032023123 is an apocalyptic number.

311032023123 is a deficient number, since it is larger than the sum of its proper divisors (106221570925).

311032023123 is a wasteful number, since it uses less digits than its factorization.

311032023123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636057473.

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

Adding to 311032023123 its reverse (321320230113), we get a palindrome (632352253236).

The spelling of 311032023123 in words is "three hundred eleven billion, thirty-two million, twenty-three thousand, one hundred twenty-three".