1401003004023 has 24 divisors (see below), whose sum is σ = 2398424898688. Its totient is φ = 800573144184.

The previous prime is 1401003004003. The next prime is 1401003004087. The reversal of 1401003004023 is 3204003001041.

It is not a de Polignac number, because 1401003004023 - 2²² = 1400998809719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1401003003987 and 1401003004005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401003004003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411815761 + ... + 411819162.

Almost surely, 2^{1401003004023} is an apocalyptic number.

1401003004023 is a deficient number, since it is larger than the sum of its proper divisors (997421894665).

1401003004023 is an frugal number, since it uses more digits than its factorization.

1401003004023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823634945 (or 823634933 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1401003004023 its reverse (3204003001041), we get a palindrome (4605006005064).

The spelling of 1401003004023 in words is "one trillion, four hundred one billion, three million, four thousand, twenty-three".