425040023143 has 8 divisors (see below), whose sum is σ = 436578392448. Its totient is φ = 413576822904.

The previous prime is 425040023137. The next prime is 425040023171. The reversal of 425040023143 is 341320040524.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425040023143 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 (425040023123) 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, 18780805 + ... + 18803422.

It is an arithmetic number, because the mean of its divisors is an integer number (54572299056).

Almost surely, 2^425040023143 is an apocalyptic number.

425040023143 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

425040023143 is a deficient number, since it is larger than the sum of its proper divisors (11538369305).

425040023143 is a wasteful number, since it uses less digits than its factorization.

425040023143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37584533.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 425040023143 its reverse (341320040524), we get a palindrome (766360063667).

The spelling of 425040023143 in words is "four hundred twenty-five billion, forty million, twenty-three thousand, one hundred forty-three".