312223123102 has 16 divisors (see below), whose sum is σ = 514294084224. Its totient is φ = 140979735000.

The previous prime is 312223123087. The next prime is 312223123103. The reversal of 312223123102 is 201321322213.

It is a super-2 number, since 2×312223123102² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312223123103) 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, 46989924 + ... + 46996567.

It is an arithmetic number, because the mean of its divisors is an integer number (32143380264).

Almost surely, 2^312223123102 is an apocalyptic number.

312223123102 is a deficient number, since it is larger than the sum of its proper divisors (202070961122).

312223123102 is a wasteful number, since it uses less digits than its factorization.

312223123102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93986655.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 312223123102 its reverse (201321322213), we get a palindrome (513544445315).

The spelling of 312223123102 in words is "three hundred twelve billion, two hundred twenty-three million, one hundred twenty-three thousand, one hundred two".