1375697409423 has 16 divisors (see below), whose sum is σ = 1844646048000. Its totient is φ = 911952392000.

The previous prime is 1375697409353. The next prime is 1375697409451. The reversal of 1375697409423 is 3249047965731.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1375697409423 - 2⁸ = 1375697409167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375697419423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1073958 + ... + 1976051.

It is an arithmetic number, because the mean of its divisors is an integer number (115290378000).

Almost surely, 2^{1375697409423} is an apocalyptic number.

1375697409423 is a deficient number, since it is larger than the sum of its proper divisors (468948638577).

1375697409423 is a wasteful number, since it uses less digits than its factorization.

1375697409423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050862.

The product of its (nonzero) digits is 34292160, while the sum is 60.

The spelling of 1375697409423 in words is "one trillion, three hundred seventy-five billion, six hundred ninety-seven million, four hundred nine thousand, four hundred twenty-three".