1401202400023 has 4 divisors (see below), whose sum is σ = 1401722715528. Its totient is φ = 1400682084520.

The previous prime is 1401202400021. The next prime is 1401202400029. The reversal of 1401202400023 is 3200042021041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1401202400023 - 2¹ = 1401202400021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401202400021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260153713 + ... + 260159098.

It is an arithmetic number, because the mean of its divisors is an integer number (350430678882).

Almost surely, 2^{1401202400023} is an apocalyptic number.

1401202400023 is a deficient number, since it is larger than the sum of its proper divisors (520315505).

1401202400023 is an equidigital number, since it uses as much as digits as its factorization.

1401202400023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520315504.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 1401202400023 its reverse (3200042021041), we get a palindrome (4601244421064).

The spelling of 1401202400023 in words is "one trillion, four hundred one billion, two hundred two million, four hundred thousand, twenty-three".