23919000481 has 4 divisors (see below), whose sum is σ = 23920568964. Its totient is φ = 23917432000.

The previous prime is 23919000473. The next prime is 23919000503. The reversal of 23919000481 is 18400091932.

23919000481 = 109359² + 109360².

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11959390881 + 11959609600 = 109359^2 + 109360^2 .

It is a cyclic number.

It is not a de Polignac number, because 23919000481 - 2³ = 23919000473 is a prime.

It is a super-2 number, since 2×23919000481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23919000481.

It is not an unprimeable number, because it can be changed into a prime (23919004481) 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, 761140 + ... + 791941.

It is an arithmetic number, because the mean of its divisors is an integer number (5980142241).

Almost surely, 2^23919000481 is an apocalyptic number.

23919000481 is the 109360-th centered square number.

It is an amenable number.

23919000481 is a deficient number, since it is larger than the sum of its proper divisors (1568483).

23919000481 is a wasteful number, since it uses less digits than its factorization.

23919000481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568482.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 23919000481 in words is "twenty-three billion, nine hundred nineteen million, four hundred eighty-one", and thus it is an aban number.