1435801428723 has 8 divisors (see below), whose sum is σ = 1914954734848. Its totient is φ = 956924537544.

The previous prime is 1435801428539. The next prime is 1435801428781. The reversal of 1435801428723 is 3278241085341.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-1435801428723 is a prime.

It is a super-3 number, since 3×1435801428723³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1435801428793) 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, 69091615 + ... + 69112392.

It is an arithmetic number, because the mean of its divisors is an integer number (239369341856).

Almost surely, 2^{1435801428723} is an apocalyptic number.

1435801428723 is a deficient number, since it is larger than the sum of its proper divisors (479153306125).

1435801428723 is a wasteful number, since it uses less digits than its factorization.

1435801428723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138207473.

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 1435801428723 in words is "one trillion, four hundred thirty-five billion, eight hundred one million, four hundred twenty-eight thousand, seven hundred twenty-three".