23001433140 has 96 divisors (see below), whose sum is σ = 73635416064. Its totient is φ = 5255268480.

The previous prime is 23001433139. The next prime is 23001433151. The reversal of 23001433140 is 4133410032.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1126825 + ... + 1147055.

It is an arithmetic number, because the mean of its divisors is an integer number (767035584).

Almost surely, 2^23001433140 is an apocalyptic number.

23001433140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23001433140 is an abundant number, since it is smaller than the sum of its proper divisors (50633982924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23001433140 is a wasteful number, since it uses less digits than its factorization.

23001433140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22957 (or 22955 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23001433140 its reverse (4133410032), we get a palindrome (27134843172).

The spelling of 23001433140 in words is "twenty-three billion, one million, four hundred thirty-three thousand, one hundred forty".