1654142423 has 16 divisors (see below), whose sum is σ = 1730668800. Its totient is φ = 1579219200.

The previous prime is 1654142411. The next prime is 1654142453. The reversal of 1654142423 is 3242414561.

It is a cyclic number.

It is not a de Polignac number, because 1654142423 - 2¹⁰ = 1654141399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1654142423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1654142453) 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, 724043 + ... + 726323.

It is an arithmetic number, because the mean of its divisors is an integer number (108166800).

Almost surely, 2^1654142423 is an apocalyptic number.

1654142423 is a deficient number, since it is larger than the sum of its proper divisors (76526377).

1654142423 is a wasteful number, since it uses less digits than its factorization.

1654142423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618.

The product of its digits is 23040, while the sum is 32.

The square root of 1654142423 is about 40671.1497624545. The cubic root of 1654142423 is about 1182.6538047553.

Adding to 1654142423 its reverse (3242414561), we get a palindrome (4896556984).

The spelling of 1654142423 in words is "one billion, six hundred fifty-four million, one hundred forty-two thousand, four hundred twenty-three".