1623144540635 has 16 divisors (see below), whose sum is σ = 1995544948320. Its totient is φ = 1266676373760.

The previous prime is 1623144540583. The next prime is 1623144540649. The reversal of 1623144540635 is 5360454413261.

It is not a de Polignac number, because 1623144540635 - 2⁸ = 1623144540379 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1034084 + ... + 2077406.

It is an arithmetic number, because the mean of its divisors is an integer number (124721559270).

Almost surely, 2^{1623144540635} is an apocalyptic number.

1623144540635 is a deficient number, since it is larger than the sum of its proper divisors (372400407685).

1623144540635 is a wasteful number, since it uses less digits than its factorization.

1623144540635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050958.

The product of its (nonzero) digits is 1036800, while the sum is 44.

Adding to 1623144540635 its reverse (5360454413261), we get a palindrome (6983598953896).

The spelling of 1623144540635 in words is "one trillion, six hundred twenty-three billion, one hundred forty-four million, five hundred forty thousand, six hundred thirty-five".