20232001456 has 20 divisors (see below), whose sum is σ = 39204806704. Its totient is φ = 10114632000.

The previous prime is 20232001453. The next prime is 20232001511. The reversal of 20232001456 is 65410023202.

It is a super-2 number, since 2×20232001456² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20232001456.

It is not an unprimeable number, because it can be changed into a prime (20232001453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42181 + ... + 205531.

Almost surely, 2^20232001456 is an apocalyptic number.

It is an amenable number.

20232001456 is a deficient number, since it is larger than the sum of its proper divisors (18972805248).

20232001456 is a wasteful number, since it uses less digits than its factorization.

20232001456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171100 (or 171094 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 20232001456 its reverse (65410023202), we get a palindrome (85642024658).

The spelling of 20232001456 in words is "twenty billion, two hundred thirty-two million, one thousand, four hundred fifty-six".