423958888947 has 16 divisors (see below), whose sum is σ = 625352935680. Its totient is φ = 253325839200.

The previous prime is 423958888939. The next prime is 423958889087. The reversal of 423958888947 is 749888859324.

It is not a de Polignac number, because 423958888947 - 2³ = 423958888939 is a prime.

It is a super-2 number, since 2×423958888947² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (423958888747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90471172 + ... + 90475857.

It is an arithmetic number, because the mean of its divisors is an integer number (39084558480).

Almost surely, 2^423958888947 is an apocalyptic number.

423958888947 is a deficient number, since it is larger than the sum of its proper divisors (201394046733).

423958888947 is a wasteful number, since it uses less digits than its factorization.

423958888947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180947114.

The product of its digits is 1114767360, while the sum is 75.

The spelling of 423958888947 in words is "four hundred twenty-three billion, nine hundred fifty-eight million, eight hundred eighty-eight thousand, nine hundred forty-seven".