7214923 has 4 divisors (see below), whose sum is σ = 7368480. Its totient is φ = 7061368.

The previous prime is 7214917. The next prime is 7214947. The reversal of 7214923 is 3294127.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7214923 is a prime.

It is a super-2 number, since 2×7214923² = 104110227791858, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7214891 and 7214900.

It is not an unprimeable number, because it can be changed into a prime (7214983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76708 + ... + 76801.

It is an arithmetic number, because the mean of its divisors is an integer number (1842120).

Almost surely, 2^7214923 is an apocalyptic number.

7214923 is a deficient number, since it is larger than the sum of its proper divisors (153557).

7214923 is a wasteful number, since it uses less digits than its factorization.

7214923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153556.

The product of its digits is 3024, while the sum is 28.

The square root of 7214923 is about 2686.0608704942. The cubic root of 7214923 is about 193.2311922483.

The spelling of 7214923 in words is "seven million, two hundred fourteen thousand, nine hundred twenty-three".