312431401120123 has 8 divisors (see below), whose sum is σ = 312469922278800. Its totient is φ = 312392880856320.

The previous prime is 312431401120103. The next prime is 312431401120127. The reversal of 312431401120123 is 321021104134213.

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

It is a cyclic number.

It is not a de Polignac number, because 312431401120123 - 2¹³ = 312431401111931 is a prime.

It is a super-2 number, since 2×312431401120123² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312431401120091 and 312431401120100.

It is not an unprimeable number, because it can be changed into a prime (312431401120127) 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, 931498336 + ... + 931833682.

It is an arithmetic number, because the mean of its divisors is an integer number (39058740284850).

Almost surely, 2^{312431401120123} is an apocalyptic number.

312431401120123 is a deficient number, since it is larger than the sum of its proper divisors (38521158677).

312431401120123 is a wasteful number, since it uses less digits than its factorization.

312431401120123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447437.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 312431401120123 its reverse (321021104134213), we get a palindrome (633452505254336).

The spelling of 312431401120123 in words is "three hundred twelve trillion, four hundred thirty-one billion, four hundred one million, one hundred twenty thousand, one hundred twenty-three".