312426623 has 4 divisors (see below), whose sum is σ = 313530888. Its totient is φ = 311322360.

The previous prime is 312426619. The next prime is 312426637. The reversal of 312426623 is 326624213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 312426623 - 2² = 312426619 is a prime.

It is a super-2 number, since 2×312426623² = 195220789518368258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312426613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551708 + ... + 552273.

It is an arithmetic number, because the mean of its divisors is an integer number (78382722).

Almost surely, 2^312426623 is an apocalyptic number.

312426623 is a deficient number, since it is larger than the sum of its proper divisors (1104265).

312426623 is a wasteful number, since it uses less digits than its factorization.

312426623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104264.

The product of its digits is 10368, while the sum is 29.

The square root of 312426623 is about 17675.5939928479. The cubic root of 312426623 is about 678.5512864387.

The spelling of 312426623 in words is "three hundred twelve million, four hundred twenty-six thousand, six hundred twenty-three".