312196123 has 2 divisors, whose sum is σ = 312196124. Its totient is φ = 312196122.

The previous prime is 312196103. The next prime is 312196127. The reversal of 312196123 is 321691213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312196123 - 2⁵ = 312196091 is a prime.

It is a super-2 number, since 2×312196123² = 194932838432462258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312196091 and 312196100.

It is not a weakly prime, because it can be changed into another prime (312196127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156098061 + 156098062.

It is an arithmetic number, because the mean of its divisors is an integer number (156098062).

Almost surely, 2^312196123 is an apocalyptic number.

312196123 is a deficient number, since it is larger than the sum of its proper divisors (1).

312196123 is an equidigital number, since it uses as much as digits as its factorization.

312196123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 28.

The square root of 312196123 is about 17669.0724997098. The cubic root of 312196123 is about 678.3843730582.

The spelling of 312196123 in words is "three hundred twelve million, one hundred ninety-six thousand, one hundred twenty-three".