23403000144 has 80 divisors (see below), whose sum is σ = 60899243072. Its totient is φ = 7744149504.

The previous prime is 23403000133. The next prime is 23403000149. The reversal of 23403000144 is 44100030432.

It is a self number, because there is not a number n which added to its sum of digits gives 23403000144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23403000149) 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, 12493992 + ... + 12495864.

Almost surely, 2^23403000144 is an apocalyptic number.

23403000144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23403000144 is an abundant number, since it is smaller than the sum of its proper divisors (37496242928).

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

23403000144 is a wasteful number, since it uses less digits than its factorization.

23403000144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3644 (or 3638 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 23403000144 its reverse (44100030432), we get a palindrome (67503030576).

The spelling of 23403000144 in words is "twenty-three billion, four hundred three million, one hundred forty-four", and thus it is an aban number.