7226920123 has 4 divisors (see below), whose sum is σ = 7607284360. Its totient is φ = 6846555888.

The previous prime is 7226920081. The next prime is 7226920139. The reversal of 7226920123 is 3210296227.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3210296227 = 61 ⋅52627807.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7226920123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7226920823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190182090 + ... + 190182127.

It is an arithmetic number, because the mean of its divisors is an integer number (1901821090).

Almost surely, 2^7226920123 is an apocalyptic number.

7226920123 is a deficient number, since it is larger than the sum of its proper divisors (380364237).

7226920123 is a wasteful number, since it uses less digits than its factorization.

7226920123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380364236.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 7226920123 is about 85011.2940908442. The cubic root of 7226920123 is about 1933.3823587812.

The spelling of 7226920123 in words is "seven billion, two hundred twenty-six million, nine hundred twenty thousand, one hundred twenty-three".