1423146652 has 48 divisors (see below), whose sum is σ = 2586608640. Its totient is φ = 684746432.

The previous prime is 1423146623. The next prime is 1423146671. The reversal of 1423146652 is 2566413241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5290374 + ... + 5290642.

It is an arithmetic number, because the mean of its divisors is an integer number (53887680).

Almost surely, 2^1423146652 is an apocalyptic number.

It is an amenable number.

1423146652 is a deficient number, since it is larger than the sum of its proper divisors (1163461988).

1423146652 is a wasteful number, since it uses less digits than its factorization.

1423146652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 688 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 1423146652 is about 37724.6159953948. The cubic root of 1423146652 is about 1124.8204887569.

Adding to 1423146652 its reverse (2566413241), we get a palindrome (3989559893).

The spelling of 1423146652 in words is "one billion, four hundred twenty-three million, one hundred forty-six thousand, six hundred fifty-two".