23003229987 has 32 divisors (see below), whose sum is σ = 35223336960. Its totient is φ = 14821742880.

The previous prime is 23003229973. The next prime is 23003229989. The reversal of 23003229987 is 78992230032.

23003229987 is a `hidden beast` number, since 230 + 0 + 322 + 9 + 98 + 7 = 666.

It is not a de Polignac number, because 23003229987 - 2⁷ = 23003229859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23003229989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 649848 + ... + 684330.

It is an arithmetic number, because the mean of its divisors is an integer number (1100729280).

Almost surely, 2^23003229987 is an apocalyptic number.

23003229987 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

23003229987 is a deficient number, since it is larger than the sum of its proper divisors (12220106973).

23003229987 is a wasteful number, since it uses less digits than its factorization.

23003229987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35320 (or 35314 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

Adding to 23003229987 its sum of digits (45), we get a palindrome (23003230032).

The spelling of 23003229987 in words is "twenty-three billion, three million, two hundred twenty-nine thousand, nine hundred eighty-seven".