400023223123424 has 48 divisors (see below), whose sum is σ = 794155429543392. Its totient is φ = 198339577233408.

The previous prime is 400023223123351. The next prime is 400023223123441. The reversal of 400023223123424 is 424321322320004.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101534324 + ... + 105400499.

It is an arithmetic number, because the mean of its divisors is an integer number (16544904782154).

Almost surely, 2^{400023223123424} is an apocalyptic number.

It is an amenable number.

400023223123424 is a deficient number, since it is larger than the sum of its proper divisors (394132206419968).

400023223123424 is a wasteful number, since it uses less digits than its factorization.

400023223123424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206935339 (or 206935331 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 400023223123424 its reverse (424321322320004), we get a palindrome (824344545443428).

The spelling of 400023223123424 in words is "four hundred trillion, twenty-three billion, two hundred twenty-three million, one hundred twenty-three thousand, four hundred twenty-four".