1401627016623 has 4 divisors (see below), whose sum is σ = 1868836022168. Its totient is φ = 934418011080.

The previous prime is 1401627016613. The next prime is 1401627016649. The reversal of 1401627016623 is 3266107261041.

It is a happy number.

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

It is not a de Polignac number, because 1401627016623 - 2⁸ = 1401627016367 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 (1401627016613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233604502768 + ... + 233604502773.

It is an arithmetic number, because the mean of its divisors is an integer number (467209005542).

Almost surely, 2^{1401627016623} is an apocalyptic number.

1401627016623 is a deficient number, since it is larger than the sum of its proper divisors (467209005545).

1401627016623 is an equidigital number, since it uses as much as digits as its factorization.

1401627016623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467209005544.

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 1401627016623 in words is "one trillion, four hundred one billion, six hundred twenty-seven million, sixteen thousand, six hundred twenty-three".