423444985401 has 32 divisors (see below), whose sum is σ = 629358888960. Its totient is φ = 251670917376.

The previous prime is 423444985387. The next prime is 423444985417. The reversal of 423444985401 is 104589444324.

It is not a de Polignac number, because 423444985401 - 2⁷ = 423444985273 is a prime.

It is a super-2 number, since 2×423444985401² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (423444985421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7653700 + ... + 7708826.

It is an arithmetic number, because the mean of its divisors is an integer number (19667465280).

Almost surely, 2^423444985401 is an apocalyptic number.

It is an amenable number.

423444985401 is a deficient number, since it is larger than the sum of its proper divisors (205913903559).

423444985401 is a wasteful number, since it uses less digits than its factorization.

423444985401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63093.

The product of its (nonzero) digits is 2211840, while the sum is 48.

The spelling of 423444985401 in words is "four hundred twenty-three billion, four hundred forty-four million, nine hundred eighty-five thousand, four hundred one".