1400171251423 has 8 divisors (see below), whose sum is σ = 1600282674848. Its totient is φ = 1200081567744.

The previous prime is 1400171251387. The next prime is 1400171251429. The reversal of 1400171251423 is 3241521710041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1400171251423 - 2²¹ = 1400169154271 is a prime.

It is a super-2 number, since 2×1400171251423² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400171251429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5296686 + ... + 5554747.

It is an arithmetic number, because the mean of its divisors is an integer number (200035334356).

Almost surely, 2^{1400171251423} is an apocalyptic number.

1400171251423 is a deficient number, since it is larger than the sum of its proper divisors (200111423425).

1400171251423 is a wasteful number, since it uses less digits than its factorization.

1400171251423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10869873.

The product of its (nonzero) digits is 6720, while the sum is 31.

Adding to 1400171251423 its reverse (3241521710041), we get a palindrome (4641692961464).

The spelling of 1400171251423 in words is "one trillion, four hundred billion, one hundred seventy-one million, two hundred fifty-one thousand, four hundred twenty-three".