401402423043 has 16 divisors (see below), whose sum is σ = 594680032800. Its totient is φ = 267597216000.

The previous prime is 401402423011. The next prime is 401402423077. The reversal of 401402423043 is 340324204104.

It is a happy number.

401402423043 is a `hidden beast` number, since 401 + 4 + 0 + 24 + 230 + 4 + 3 = 666.

It is not a de Polignac number, because 401402423043 - 2⁵ = 401402423011 is a prime.

It is a super-2 number, since 2×401402423043² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 401402422998 and 401402423016.

It is not an unprimeable number, because it can be changed into a prime (401402424043) 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, 3012823 + ... + 3143231.

It is an arithmetic number, because the mean of its divisors is an integer number (37167502050).

Almost surely, 2^401402423043 is an apocalyptic number.

401402423043 is a deficient number, since it is larger than the sum of its proper divisors (193277609757).

401402423043 is a wasteful number, since it uses less digits than its factorization.

401402423043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244419 (or 244413 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 401402423043 its reverse (340324204104), we get a palindrome (741726627147).

The spelling of 401402423043 in words is "four hundred one billion, four hundred two million, four hundred twenty-three thousand, forty-three".