7423885357 has 4 divisors (see below), whose sum is σ = 8484440416. Its totient is φ = 6363330300.

The previous prime is 7423885351. The next prime is 7423885361. The reversal of 7423885357 is 7535883247.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7535883247 = 29 ⋅259858043.

It is a cyclic number.

It is not a de Polignac number, because 7423885357 - 2¹⁹ = 7423361069 is a prime.

It is a super-2 number, since 2×7423885357² (a number of 21 digits) 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 (7423885351) 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, 530277519 + ... + 530277532.

It is an arithmetic number, because the mean of its divisors is an integer number (2121110104).

Almost surely, 2^7423885357 is an apocalyptic number.

It is an amenable number.

7423885357 is a deficient number, since it is larger than the sum of its proper divisors (1060555059).

7423885357 is a wasteful number, since it uses less digits than its factorization.

7423885357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060555058.

The product of its digits is 5644800, while the sum is 52.

The square root of 7423885357 is about 86161.9716406258. The cubic root of 7423885357 is about 1950.7895428225.

The spelling of 7423885357 in words is "seven billion, four hundred twenty-three million, eight hundred eighty-five thousand, three hundred fifty-seven".